with open("input.txt", "r") as file:N = int(file.readline())
new_number = N // 1000 1000 + N // 100 % 10 100 + N
with open("output.txt", "w") as file:file.write(str(new_number))
with open("input.txt", "r") as file:
N = int(file.readline())
new_number = N // 1000 1000 + N // 100 % 10 100 + N
with open("output.txt", "w") as file:
file.write(str(new_number))