#include <iostream>
#include <vector>
#include <string>
#include <cstdlib>
#include "MM.h"
using namespace std;
vector<int> A;
int cnt;
int k;
bool solve;
void wa() {
    cout << "WA\n";
    exit(1);
}
pair<int,int> guess(vector<int> B) {
    if (B.size() != 4) {
        wa();
    }
    if (solve) {
        wa();
    }
    cnt += 1;
    if (cnt > k) {
        wa();
    }
    int red = 0;
    int white = 0;
    vector<int> check(4, 0);
    for (int i=0; i<4; i++) {
        if (!(1 <= B[i] && B[i] <= 6)) {
            wa();
        }
        if (A[i] == B[i]) {
            check[i] = 1;
            red += 1;
        }
    }
    vector<int> cnt_a(6, 0);
    vector<int> cnt_b(6, 0);
    for (int i=0; i<4; i++) {
        if (check[i] == 1) continue;
        cnt_a[A[i]-1] += 1;
        cnt_b[B[i]-1] += 1;
    }
    for (int i=0; i<6; i++) {
        white += min(cnt_a[i], cnt_b[i]);
    }
    if (red == 4 && white == 0) {
        solve = true;
    }
    return make_pair(red, white);
}
int main() {
    int T, K;
    cin >> T >> K;
    k = K;
    init(T, K);
    while (T--) {
        A.clear();
        A.resize(4);
        for (int i=0; i<4; i++) {
            cin >> A[i];
        }
        solve = false;
        cnt = 0;
        game();
        if (solve == false) {
            wa();
        }
    }
    cout << "AC\n";
    return 0;
}