Gennady and a Card Game

https://codeforces.com/problemset/problem/1097/A

/*
*@Author:   STZG
*@Language: C++
*/
#include 
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
//#define DEBUG
#define RI register int
using namespace std;
typedef long long ll;
//typedef __int128 lll;
const int N=100000+10;
const int MOD=1e9+7;
const double PI = acos(-1.0);
const double EXP = 1E-8;
const int INF = 0x3f3f3f3f;
int t,n,m,k,q,ans;
int a;
string s[10],str;
int main()
{
#ifdef DEBUG
	freopen("input.in", "r", stdin);
	//freopen("output.out", "w", stdout);
#endif
    //scanf("%d",&n);
    cin>>str;
    for(int i=1;i<=5;i++){
        cin>>s[i];
        if(s[i][0]==str[0]||s[i][1]==str[1])
            ans=1;
    }
    if(ans)
        cout << "YES" << endl;
    else
        cout << "NO" << endl;
    //cout << "Hello world!" << endl;
    return 0;
}

 

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