cmmmdc

#include <iostream>

using namespace std;

int main()
{ int a,b,aux,r;
    cout<<"a="<<endl;
    cin>>a;
    cout<<"b="<<endl;
    cin>>b;
    if (a<b){
        aux=a;
        a=b;
        b=aux;
    }
    while (b){
        r=a%b;
        a=b;
        b=r;

    }
    cout<<"cmmdc..."<<a;
    return 0;
}