MCD

#include <stdio.h>
#include <iostream>
using namespace std;

int mcd(int a, int b) {
  if (b == 0){
    cout<<"Il valore mcd e' "<<a;
    return a;
  }
  else{
    return mcd(b, a % b);
  }
}

int main()
{
    int a,b;
    cout<<"inserire a: ";
    cin>>a;
    cout<<endl<<"inserire b: ";
    cin>>b;
    
    mcd(a, b);
    
    return 0;
}