#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;
}