#include <iostream>

using namespace std;

int solve(int n);

int query(int x, int y) {
    cout << "enter result for query " << x << " " << y << ": ";
    int q;
    cin >> q;
    return q;
}

int main() {
    int n;
    cout << "enter n: ";
    cin >> n;
    int r = solve(n);
    cout << "return value of solve: " << r << "\n";
}