#include <bits/stdc++.h>

using i64 = long long;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int n, l, h;
    std::cin >> n >> l >> h;
    
    std::set<int> cx {0}, cy {0};
    std::vector<int> a(n), b(n), x(n, -1), y(n, -1);
    for (int i = 0; i < n; i++) {
        std::cin >> a[i] >> b[i];
        
        for (auto vx : cx) {
            for (auto vy : cy) {
                if (vx + a[i] > l || vy + b[i] > h) {
                    continue;
                }
                int ok = 1;
                for (int j = 0; j < i; j++) {
                    if (!(x[j] == -1 || vx >= x[j] + a[j] || vx + a[i] <= x[j] || vy >= y[j] + b[j] || vy + b[i] <= y[j])) {
                        ok = 0;
                    }
                }
                if (ok) {
                    x[i] = vx;
                    y[i] = vy;
                    cx.insert(vx + a[i]);
                    cy.insert(vy + b[i]);
                    break;
                }
            }
            if (x[i] != -1) {
                break;
            }
        }
        if (x[i] == -1) {
            std::cout << -1 << "\n";
        } else {
            std::cout << x[i] << " " << y[i] << "\n";
        }
    }
    
    return 0;
}