#include <bits/stdc++.h>
#include "grader.h"
#include "memory.h"
using namespace std;
void play() {
map<char, vector<int>> nose;
vector<bool> ac(25, 0);
string abc = "abcdefghijklmnopqrstuvwxy";
int ya = 0;
for(int i = 1; i <= 25; i++){
char a = faceup(2 * ya + i);
char b = faceup(2 * ya + i + 1);
nose[a].push_back(i);
nose[b].push_back(i + 1);
if(a == b){
int x = a - 65;
ac[x] = 1;
}
ya++;
}
for(int i = 1; i <= 25; i++){
if(!ac[i - 1]){
faceup(nose[abc[i - 1]][0]);
faceup(nose[abc[i - 1]][1]);
}
}
}
