Seconds to yrs,days,hrs,mins,secs

#include<iostream>
using namespace std;
//31556926 - Гугъл
//31536000 - Петър
int main ()
{
 long long int tot_sec, sec, min, hr, days,yrs;
 cout << "Enter seconds: ";
 cin >> tot_sec;
 yrs = tot_sec / 31536000;

 days = (tot_sec - (yrs*31536000)) / 84600;
 hr = (tot_sec - (yrs*31536000) - (days*84600)) / 3600;
 min = (tot_sec - (yrs*31536000) - (days*84600) - (hr*3600)) / 60;
 sec = (tot_sec - (yrs*31536000) - (days*84600) - (hr*3600) - (min*60));
 cout<<yrs<<"yrs," << days <<"days," << hr << "hrs," << min << "mins," << sec << "seconds" << endl;
    return 0;
}