Queen

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

int main()
{
    freopen("input.txt", "r", stdin);
    int r, c, n;
    cin >> r >> c >> n;
    for (int tc = 0; tc < n; tc++)
    {
        int rNew, cNew;
        cin >> rNew >> cNew;
        if (r == rNew || c == cNew || ((r + c) == (rNew + cNew)) || (abs(r - c) == abs(rNew - cNew))) cout << "yes" << endl;
        else cout << "no" << endl;
    }
    return 0;
}