DTG C++

#include <bits/stdc++.h>
using namespace std;

int s,h,p;
int main()
{
    freopen("dtg.inp","r",stdin);
    freopen("dtg.out","w",stdout);
    cin>>s;
    h = s/3600;
    s = s%3600;            //s = 400
    p = s/60;
    s = s%60;            //s = 40
    cout<<h<<" gio "<<p<<" phut "<<s<<" giay";
}