#include <stdio.h>

int gcd(int n1, int n2)
{
	int gcd,i;
	for( i=1; i <= n1 && i <= n2; ++i)
        {

            if(n1%i==0 && n2%i==0)
                gcd = i;
        }
        return gcd;
}

int main()
{
	int n1, n2;
        printf("Enter two integers: ");
        scanf("%d %d", &n1, &n2);
        
        printf("G.C.D of %d and %d is %d \n", n1, n2, gcd(n1, n2));
        return 0;
}