#include "grader.h"
#include "memory.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
ll INF=1e18+10;
ll M=1e9+7;
void play() {
vii a(200);
cout<<"a";
REP(i,1,51){
char b=faceup(i);
a[(int)b].PB(i);
i++;
char c=faceup(i);
a[(int)c].PB(i);
}
REP(i,65,90){
faceup(a[i][0]);
faceup(a[i][1]);
}
}
