#include <stdio.h>

#define MIN(a,b) (a < b) ? a : b
#define THOUSAND 1000
#define TWO 2
//---------------------------------------------------------------------------------------
//                                              Exercise 6
//                                              ----------
//
// General : The program prints positive integers that divide the two input
//           numbers in the field up to 1000.
//
// Input   : Two numbers that don't divide each other.
//
// Process : The program do a loop.
//
// Output  : Positive integers.
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : None
// Date       : 23.09.2019
//---------------------------------------------------------------------------------------
void main(void)
{
    unsigned short num1,
                   num2,
                   counter;

    printf("Enter 2 numbers: ");
    scanf("%hu%hu", &num1, &num2);

    for (counter = ((MIN(num2, MIN(num1, THOUSAND))) / TWO); counter; counter--)
    {
        if (!((num1 % counter) + (num2 % counter)))
            printf("%hu\n", counter);
    }
    
}