#include "grader.h"
#include "memory.h"
#include <bits/stdc++.h>
using namespace std;
void play() {
char a, b;
vector<pair<int,int>>v(51,{0,0});
for (int i=1; i<51; ++i) {
int n;
//cout<<i<<"\n";
if(i&1){
a = faceup(i);
n=(int)a;
}
else{
b = faceup(i);
n=(int)b;
}
n-=65;
//cout<<n<<" ";
if(v[n].first!=0) v[n].second=i;
else v[n].first=i;
//cout<<a;
}
for (int i=0; i<25; i++) {
int p=v[i].first;
int q=v[i].second;
a=faceup(p);
b=faceup(q);
//cout<<a<<" "<<b<<"\n";
//if(v[i].first==0 or v[i].second==0) cout<<i;
}
}
