PracticeDayThreeExercise7

#include <stdio.h>

int nod(int a, int b)
{
    if (a == 0)
        return b;
    return nod(b%a, a);
}

int main()
{
    int a, b;
    printf("Enter a: ");
    scanf("%d", &a);
    printf("Enter b: ");
    scanf("%d", &b);
    printf("Greatest common divisor of %d and %d is: %d", a, b, nod(a, b));
    return 0;
}