#include <iostream>
using namespace std;
int main() {
float grameSare, grameApa, masaSubstanta, litriApa, concentratie;
cout << "Grame sare: "; cin >> grameSare;
cout << "Litri apa: "; cin >> litriApa;
grameApa = litriApa * 1000;
masaSubstanta = grameApa + grameSare;
concentratie = grameSare / masaSubstanta * 100;
cout << "Masa substanta: " << masaSubstanta << endl;
cout << "Concentratie substanta: " << concentratie << endl;
return 0;
}