This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "grader.h"
#include "memory.h"
using namespace std;
vector<int> pos[30];
void play(){
    for( int i = 1 ; i <= 25 ; i++ ) {
        pos[faceup( 2*i )-'A'].emplace_back( 2*i );
        pos[faceup( 2*i - 1 )-'A'].emplace_back( 2*i - 1 );
    }
    for( int i = 0 ; i < 25 ; i++ ) faceup( pos[i][0] ), faceup( pos[i][1] );
}
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