/*
||-----------------------------------||
|| Rahat Khan Pathan ||
|| BGC Trust University ||
|| Department of CSE ||
||-----------------------------------||
*/
#include<bits/stdc++.h>
#include "grader.h"
#include "memory.h"
#define ll long long int
#define pub push_back
#define PI 3.14159265359
#define vll vector<ll>
#define All(X) (X).begin(),(X).end()
#define Unique(X) (X).erase(unique(All(X)),(X).end()))
#define fast ios_base::sync_with_stdio(0); cin.tie(0);
#define pi pair<ll,ll>
#define vpair vector<pair<ll,ll> >
#define yes cout<<"YES"<<endl
#define no cout<<"NO"<<endl
#define minus cout<<-1<<endl
using namespace std;
void play()
{
ll i;
bool found[27]={false};
ll pos[27]={-1};
char c;
for(i=1;i<=50;i++)
{
c=faceup(i);
if(pos[c-'A']==-1)
{
pos[c-'A']=i;
found[i]=true;
}
}
for(i=1;i<=50;i++)
{
if(found[i])
continue;
c=faceup(i);
c=faceup(pos[c-'A']);
}
return;
}
