/* Illustrates the modulus operator. */
/* Inputs a number of seconds, and converts to hours, */
/* minutes, and seconds. */

#include <stdio.h>

/* Define constants */

#define SECS_PER_MIN 60
#define SECS_PER_HOUR 3600

unsigned seconds, minutes, hours, secs_left, mins_left;

main()
{
     /* Input the number of seconds */

     printf("Enter number of seconds (< 65000): ");
     scanf("%d", &seconds);

     hours = seconds / SECS_PER_HOUR;
     minutes = seconds / SECS_PER_MIN;
     mins_left = minutes % SECS_PER_MIN;
     secs_left = seconds % SECS_PER_MIN;

     printf("%u seconds is equal to ", seconds);
     printf("%u h, %u m, and %u s\n", hours, mins_left, secs_left);

     return 0;
}