#include <bits/stdc++.h>

int32_t main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int n, m;
    std::cin >> n >> m;
    std::vector<std::array<int, 4>> input(m);
    for (auto& [l, r, k, val] : input) {
        std::cin >> l >> r >> k >> val;
        r++;
        k--;
    }

    auto check = [&](std::vector<int> ans) {
        bool fail = false;
        for (auto& [l, r, k, val] : input) {
            int sum = std::accumulate(ans.begin() + l, ans.begin() + r, 0);
            if (val == 0) {
                fail = fail || ((r - l) - sum <= k);
            } else {
                fail = fail || (sum < (r - l) - k);
            }
            if (fail) {
                break;
            }
        }
        return !fail;
    };

    if (n <= 18) {
        for (int mask = 0; mask < (1 << n); mask++) {
            std::vector<int> ans(n);
            for (int j = 0; j < n; j++) {
                ans[j] = (mask >> j) & 1;
            }
            if (check(ans)) {
                for (int i = 0; i < n; i++) {
                    std::cout << ans[i] << " \n"[i == n - 1];
                }
                return 0;
            }
        }
        std::cout << "-1\n";
    }

    return 0;
}