#include <iostream>

int main() {

  int a;
  std::cin >> a; // get input of for a

  if (a >= 1000) {  // check if input is greater than 1000
    int b = a % 10; // get last digit
    a /= 10;
    int c = a % 10; // get second digit
    a /= 10;
    int d = a % 10; // get first digit

    std::cout << d << " " << c << " "
              << b; // output first, second, and last digit
  } else {          // if input not greater than 1000 return 0
    return 0;
  }

  return 0;
}