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#include <algorithm>
#include <cstdlib>
#include <iostream>
#include <limits>
#include <vector>

int main() {
	auto maxSize = std::numeric_limits<std::streamsize>::max();
	char buffer[8];
	std::vector<int> scores[2];
	std::vector<int>* sign = scores - 30;
	std::ios_base::sync_with_stdio(false);
    int t;
    std::cin >> t;
    while (t--) {
		int n, m;
		std::cin >> n >> m;
		for (auto&& v : scores) {
			v.assign(n, 0);
		}
		while (m--) {
			char w;
			std::cin.ignore(maxSize, ' ').get(w).ignore().getline(buffer, 8, '\n');
			sign[w >> 1][std::atoi(buffer) - 1]++;
		}
		if (std::find(scores[0].begin(), scores[0].end(), 0) == scores[0].end())
			std::cout << "PRZEGRANA\n";
		else if (std::find(scores[1].begin(), scores[1].end(), n) == scores[1].end())
			std::cout << "REMIS\n";
		else
			std::cout << "WYGRANA\n";
    }
    return 0;
}