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#include <iostream>
using namespace std;
int main()
{
    int x,y,a;
    cin >> x >> y;
    a = 1*x + 2*y;
    cout << a;
}

#include <iostream>
using namespace std;
int main()
{
    int a,b;
    cin>>a>>b;
    cout<<a*1+b*2;
    return 0;
}

#include <iostream>
using namespace std;
int main (){
    int a,b;
    cin>>a>>b;
    cout<<a+b*2;
    return 0;
}

#include<iostream>
using namespace std;
int main()
{
    int a,b,c;
    cin >> a >> b;
    c = a + (b * 2);
    cout << c;
    return 0;
}