int main()
{
long sec, hr, min, t; // Declaration of variables
printf("\n Enter time in seconds:");
scanf("%ld", &sec); // we have used ld for long integer
hr = sec/3600;
t = sec%3600;
min = t/60;
sec = t%60;
printf("\n\nTime is %ld hrs %ld mins %ld secs", hr, min, sec);
}