Convert seconds into time,hour,seconds :C Program

Convert seconds into time,hour,seconds :C Program 

#include<stdio.h>

#include<conio.h>

void main()

{

int sec,s,m,h;

 clrscr();

 printf("\nEnter Time in Seconds :");

 scanf("%d",&sec);

 h=sec/3600;

 sec=sec%3600;

 m=sec/60;

 s=sec%60;

 printf("\n HH-MM-SS=%d:%d:%d",h,m,s);

 getch();

 }