#include <iostream>
#include <cstdlib>
using namespace std;

int main()
{
    double x, y, z;
    int w;
    cout << "Zakonczyc program?"<< endl;
    cout << "1- tak" << endl;
    cout << "2 - nie" << endl;
    cin >> w;
    if(w == 2)
    {
        exit(0);
    }
    else
    {
    cout << "Podaj dystans" << endl;
    cin >> x;
    cout << "Podaj ilosc spalonego paliwa" << endl;
    cin >> y;
    z = (y*100)/x;
    cout << "Sredna ilosc spalonego paliwa na 100 km wynosi: " << z << endl;
    cout << "Zakonczyc program t/n ?" << endl;
    cin >> w;
    }
    return 0;
}