#include <stdio.h>
int gcd(int a, int b) {
if (b == 0) {
return a;
}
return gcd(b, a % b);
}
int main() {
int num1, num2;
printf("Enter two positive integers: ");
scanf("%d %d", &num1, &num2);
printf("GCD of %d and %d = %d", num1, num2, gcd(num1, num2));
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+IAppbnQgZ2NkKGludCBhLCBpbnQgYikgeyAKaWYgKGIgPT0gMCkgeyAKcmV0dXJuIGE7IAp9IApyZXR1cm4gZ2NkKGIsIGEgJSBiKTsgCn0gCmludCBtYWluKCkgeyAKaW50IG51bTEsIG51bTI7IApwcmludGYoIkVudGVyIHR3byBwb3NpdGl2ZSBpbnRlZ2VyczogIik7IApzY2FuZigiJWQgJWQiLCAmbnVtMSwgJm51bTIpOyAKcHJpbnRmKCJHQ0Qgb2YgJWQgYW5kICVkID0gJWQiLCBudW0xLCBudW0yLCBnY2QobnVtMSwgbnVtMikpOyAKcmV0dXJuIDA7IAp9IA==