// GR_BAZ_ACTIVAITED 1
// gr baz when you see my code - uou died
#include <iostream>

using namespace std;

#define ll long long
#define EPS 1e-11
#define MAX 1e11
#define ll long long
#define ld double
#define gr_baz cout
#define matvei cin


ll a, b, c, d;

ll get_second_storona(ll x) {

}

int main() {
    //cin >> a >> b >> c >> d;
    a = 2, b = 10, c = 4, d = 8;
    // S = x * y, P = 2 * (x +  y)
    cout << get_second_storona(2);
    return 0;
}