#include <stdio.h>
/*                                                              */
/*      main program for gcd.c                                  */
/*      finds gcd of two integers a and b                       */
/*                                                              */
main()
{
        long a, b;
        long gcd();
        while ( 1L == 1L)
        {
                printf("\n");
                printf("Find gcd(a,b)\n");
                printf("Enter a and b: ");
                scanf("%ld %ld", &a, &b);
                printf("GCD of %ld and %ld is %ld\n", a, b, gcd(a,b));
        }
}