//Laivnas
#include <iostream>
using namespace std;
int main()
{
    int k, n, m, s;
    cout << "Iveskite kiek laivu: " << endl;
    cin >> k;
    cout << "Iveskite kiek maisu prieskoniu: " << endl;
    cin >> n;
    cout << "Iveskite kiek laivu nuskendo audroje: " << endl;
    cin >> m;
    s = k - m;
    m = s * n;
    cout << "Atsakymas: " << m;
    return 0;
}