a = int(input())
b = ''
while a // 10 != 0:
b += str(a % 10)
a //= 10
b += str(a % 10)
a = int(b)
while a // 10 != 0:
print(a % 10)
a //= 10
print(a % 10)
YSA9IGludChpbnB1dCgpKQpiID0gJycKd2hpbGUgYSAvLyAxMCAhPSAwOiAKCWIgKz0gc3RyKGEgJSAxMCkKCWEgLy89IDEwCmIgKz0gc3RyKGEgJSAxMCkKYSA9IGludChiKQp3aGlsZSBhIC8vIDEwICE9IDA6IAoJcHJpbnQoYSAlIDEwKQoJYSAvLz0gMTAKcHJpbnQoYSAlIDEwKQo=