/***********************************************************************************************************
*
*   Description:   This program takes in 2 integers, and prints the
*                    remainder when the first is divided by the second.
*
*   Input:         2 positive integers
*   
*   Output:        Remainder
*
*
***********************************************************************************************************/

#include <stdio.h>

main()
{

int a, b;
printf("Please type in two positive integers.\n");   /**  prompts user **/
scanf("%d %d", &a,&b);
printf("[%d %d]\n", a, b);           /** echoes to screen **/
if (b == 0)                         /** refuses divisor of 0 **/
       {printf("The second number must be greater than zero.\n");}
else

       {while (a >= b)
         (a = a - b);         /*** subtracts b from a until a<b ***/
        printf("The remainder is %d.\n", a);}
}