#include <bits/stdc++.h>
using namespace std;
//383 137
int main(){
    long long x,y,m,n;
    cout<<"鸡兔同笼"
    cout<<"兔:";
    cin>>x;
    cout<<"鸡:";
    cin>>y;
    cout<<x+y<<endl;
    cout<<x*2+y*4;
    return 0;
}