file_name, n = input(), int(input())
c = 0
with open(file_name, "r", encoding="utf-8") as file:
    for line in file:
        c += 1

with open(file_name, "r", encoding="utf-8") as file:
    line_number = 0
    for line in file:
        line_number += 1
        if line_number > c - n:
            print(line, end="")