file = open("md1.txt", encoding="utf-8")

arr = []
for i in file:
    arr.append(i.rstrip("\n"))

#print(arr)
new_arr = []
new_arr.append(f"## **{arr.pop(0)}**")

for _ in range(4):
    del arr[0]

stek = []
p = False
li_c = False
li = False
li_c2 = False
for s in arr:
    if "Пример" in s:
        if p:
            new_arr.append(f"|||{'<br>'.join(stek).rstrip('<br>')}")
        else:
            new_arr.append("<br>".join(stek).rstrip("<br>"))
        p = True
        stek = []
        new_arr.append(f"### **{s}**")
    elif p:
        if s == "Ввод\tВывод":
            if stek:
                new_arr.append(f"|||{'<br>'.join(stek).rstrip('<br>')}")
                new_arr.append("<br>".join(stek).rstrip("<br>"))
                stek = []
            new_arr.append("|Ввод |Вывод|")
            new_arr.append("|-----|-----|")
        else:
            stek.append(s)
    elif s == "Формат ввода" or s == "Формат вывода" or s == "Примечание":
        new_arr.append("<br>".join(stek).rstrip("<br>"))
        stek = []
        new_arr.append(f"### **{s}**")
    else:
        if s and s[-1] == ":":
            li_c = True
            stek.append(s)
        elif li_c:
            li_c = False
            if s == "":
                li = True
                new_arr.append("<br>".join(stek) + "<br>")
                stek = []
        elif li:
            if not li_c2:
                if s[-1] == ";":
                    li_c2 = True
                else:
                    li = False
                    stek.append(s)
            if li_c2:
                new_arr.append(f"* {s}")
                if s[-1] == ".":
                    li = False
                    new_arr.append("")
                    li_c2 = False
        else:
            stek.append(s)
        
new_arr.append(f"|||{'<br>'.join(stek[:-1]).rstrip('<br>')}")
file.close()

input_count = stek[-1]
if len(input_count.split()) > 1:
    input_count = [int(i) for i in input_count.split()]
elif input_count != "_":
    input_count = int(input_count)

c = 0

for i in range(len(new_arr)):
    if new_arr[i][:3] == "|||":
        data = new_arr[i][3:].split("<br>")
        if input_count == "_":
            data = f"|{'<br>'.join(data)}||"
        elif isinstance(input_count, list):
            in_c = input_count[c]
            
            if in_c > 0:
                if 2 * in_c > len(data):
                    data = f"|{'<br>'.join(data[:in_c])}<br>|{'<br>'.join(data[in_c:])}<br>{'<br>'.join([' '] * (2 * in_c - len(data)))}<br>|"
                elif 2 * in_c == len(data):
                    data = f"|{'<br>'.join(data[:in_c])}<br>|{'<br>'.join(data[in_c:])}<br>|"
                else:
                    data = f"|{'<br>'.join(data[:in_c])}<br>{'<br>'.join([' '] * (len(data) - 2 * in_c))}<br>|{'<br>'.join(data[in_c:])}<br>|"
            else:
                if -2 * in_c > len(data):
                    data = f"|{'<br>'.join(data[:len(data) + in_c])}<br>{'<br>'.join([' '] * (-2 * in_c - len(data)))}<br>|{'<br>'.join(data[:-1 * in_c])}<br>|"
                elif -2 * in_c == len(data):
                    data = f"|{'<br>'.join(data[:-1 * in_c])}<br>|{'<br>'.join(data[-1 * in_c:])}<br>|"
                else:
                    data = f"|{'<br>'.join(data[:len(data) + in_c])}<br>|{'<br>'.join(data[len(data) + in_c:])}<br>{'<br>'.join([' '] * (len(data) - -2 * in_c))}<br>|"
            c += 1
        elif input_count > 0:
            if 2 * input_count > len(data):
                data = f"|{'<br>'.join(data[:input_count])}<br>|{'<br>'.join(data[input_count:])}<br>{'<br>'.join([' '] * (2 * input_count - len(data)))}<br>|"
            elif 2 * input_count == len(data):
                data = f"|{'<br>'.join(data[:input_count])}<br>|{'<br>'.join(data[input_count:])}<br>|"
            else:
                data = f"|{'<br>'.join(data[:input_count])}<br>{'<br>'.join([' '] * (len(data) - 2 * input_count))}<br>|{'<br>'.join(data[input_count:])}<br>|"
        else:
            if -2 * input_count > len(data):
                data = f"|{'<br>'.join(data[:len(data) + input_count])}<br>{'<br>'.join([' '] * (-2 * input_count - len(data)))}<br>|{'<br>'.join(data[:-1 * input_count])}<br>|"
            elif -2 * input_count == len(data):
                data = f"|{'<br>'.join(data[:-1 * input_count])}<br>|{'<br>'.join(data[-1 * input_count:])}<br>|"
            else:
                data = f"|{'<br>'.join(data[:len(data) + input_count])}<br>|{'<br>'.join(data[len(data) + input_count:])}<br>{'<br>'.join([' '] * (len(data) - -2 * input_count))}<br>|"


        new_arr[i] = data

for i in range(len(new_arr)):
    if new_arr[i] and (new_arr[i][0] == "|" or new_arr[i][0] == "#"):
        continue
    elems = new_arr[i].split("<br>")

    # ВЫДЕЛАЕТ ОТДЕЛЬНЫЕ БУКВЫ
    del_ind = []
    for j in range(len(elems) - 1):
        if len(elems[j]) == 1 and elems[j] == elems[j + 1][0]:
            del_ind.append(j)
    
    if del_ind:
        for j in del_ind[::-1]:
            if j:
                buff = elems.pop(j + 1)
                if elems[j - 1][-1] == ".":
                    elems[j] = "$" + buff[0] + "$" + buff[1:]
                else:
                    elems[j - 1] = elems[j - 1] + "$" + buff[0] + "$" + buff[1:]
                    del elems[j]


    # ВЫДЕЛЯЕТ ВЫРАЖЕНИЯ
    del_ind = []
    for j in range(len(elems)):
        if not elems[j]:
            continue
        string = elems[j].split()
        first_word = string[0]
        if len(first_word) <= j and ''.join(elems[j - len(first_word):j]) == first_word:
            f = False
            signs = ["+", "-", "*", "/", "%", "=", "<", ">", "≤", "≥"]
            for sign in signs:
                if sign in first_word:
                    f = True

            if not f:
                continue

            del_ind.append([count for count in range(j - len(first_word), j)])

    if del_ind:
        for j in del_ind[::-1]:
            ind = j[-1] + 1
            buff = elems[ind].split()
            if elems[j[0] - 1][-1] == ".":
                elems[ind] = "$" + buff[0] + "$ " + " ".join(buff[1:])
                for k in j[::-1]:
                    if k:
                        del elems[k]
            else:
                elems[j[0] - 1] = elems[j[0] - 1] + "$" + buff[0] + "$ " + ' '.join(buff[1:])
                del elems[ind]
                for k in j[::-1]:
                    if k:
                        del elems[k]


    # ВЫДЕЛЯЕТ ДРУГИЕ ВЫРАЖЕНИЯ
    del_ind = []
    for j in range(len(elems) - 1):
        if not elems[j]:
            continue
        eq = elems[j].split()[0]
        f = False

        signs = ["+", "-", "*", "/", "%", "=", "<", ">", "≤", "≥"]
        for num in range(10):
            signs.append(str(num))
        
        for sign in signs:
            if sign in eq:
                f = True

        if not f or len(eq) == 1:
            continue
        
        print(eq)
        if ")" in eq:
            eq = eq[:eq.index(")")]
        if " " in eq:
            eq = eq[:-1]

        if elems[j - 1] == elems[j + 1]:
            f = False
            for ind in range(j - 3, -1, -1):
                if eq == "".join(elems[ind:j - 1]):
                    f = True
                    break
            if not f:
                continue
            del_ind.append([count for count in range(ind, j - 1)] + [j - 1, False])
        else:
            f = False
            for ind in range(j - 2, -1, -1):
                if eq == "".join(elems[ind:j]):
                    f = True
                    break
            if not f:
                continue
            del_ind.append([count for count in range(ind, j)] + [True])

    if del_ind:
        for j in del_ind[::-1]:
            if j[-1]:
                buff = elems.pop(j[-2] + 1)
                if ")" in buff:
                    ind = buff.index(")")
                    elems[j[0] - 1] = elems[j[0] - 1] + "$" + buff[:ind] + "$" + buff[ind:] 
                else:
                    elems[j[0] - 1] = elems[j[0] - 1] + "$" + buff + "$"
                for k in j[::-1][1:]:
                    del elems[k]
            else:
                buff = elems.pop(j[-2] + 1)

                elems[j[0] - 1] = elems[j[0] - 1] + "$" + buff[:-1] + "^" + elems[j[-2]] + "$" 
                elems[j[0] - 1] = elems[j[0] - 1] + elems[j[-2] + 2][1:]

                del elems[j[-2] + 2]
                del elems[j[-2] + 1]
                del elems[j[-2]]
                for k in j[::-1][2:]:
                    del elems[k]



    # ДЕЛАЕТ $x_i$
    del_ind = []
    for j in range(len(elems) - 4):
        if [elems[j] + " ", elems[j + 1]] == [elems[j + 2], elems[j + 3]] and elems[j + 4] == "\u200b":
            del_ind.append([j, j + 1])
    
    
    if del_ind:
        for j in del_ind[::-1]:
            if j:
                buff = f"${elems[j[0]]}_{elems[j[1]]}$"
                if j[0] != 0:
                    elems[j[0] - 1] = elems[j[0] - 1] + buff + elems[j[1] + 4][1:]
                else:
                    elems[j[0]] = buff + elems[j[1] + 4][1:]
                
                for count in range(4, -1, -1):
                    del elems[j[1] + count]
                if j[0] != 0:
                    del elems[j[0]]
                
    new_arr[i] = "<br>".join(elems) 

new_file =  open("md1.txt", "w+", encoding="utf-8")
for s in new_arr:
    new_file.write(s + "\n")
new_file.close()

print(*new_arr, sep="\n")