#include <bits/stdc++.h>
#include "grader.h"
#include "memory.h"
/// #pragma GCC optimize ("Ofast")
/// #pragma GCC target ("avx2")
/// #pragma GCC optimize("unroll-loops")
using namespace std;
using ll = long long;
using ii = pair<ll, ll>;
using vi = vector<int>;
#define ff first
#define ss second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lb lower_bound
const int MOD = 1000 * 1000 * 1000 + 7;
void play() {
vector<int> A[51];
for(int l = 1; l <= 50; l++) A[faceup(l) - 'A'].pb(l);
for(int l = 0; l <= 24; l++) faceup(A[l][0]), faceup(A[l][1]);
}
