#include <iostream>
using namespace std;
 
int main() {
    float a, b;
    cin >> a >> b;
    
    float perimetar = 2 * a + 2 * b;
    float plostina = a * b;
    
    cout << "Perimetar e " << perimetar << ", a plostinata e " << plostina << endl;
    return 0;
}