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#include <iostream>
using namespace std;
void g(int &i, int j) {
i = i+j;
}
void f(int i, int &j) {
i = i+3;
g(i, j);
}
int main() {
int i;
int j;
cin >> i;
j = j+5;
f(i, j);
cout << i << endl;
return 0;
}