Untitled

#include <iostream>
using namespace std;

int main()
{
    int n,a,b,c;
    cin >> n;
    a = 0;
    b = 0;
    c = 0;
    while (n >= 0) {
        while (n >= 60) {
            n = n - 60;
            a = a + 1;

        }
        while (1 < n < 60) {
            n = n - 10;
            b = b + 1;


        }
        while (n >= 1) {
            n = n - 60;
            c = c + 1;

        }


        cout << c << b << a;
    }
  
}