#include <iostream>
using namespace std;
int trzy(int kwota) {
int ile = 0;
ile += kwota / 5;
kwota = kwota % 5;
ile += kwota / 3;
kwota = kwota % 3;
ile = ile + kwota;
return ile;
}
int main() {
cout << trzy(11) << " , " << trzy(99) << endl;
return 0;
}
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