#define _CRT_SECURE_NO_WARNINGS
#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
#include <bits/stdc++.h>
using namespace std;
#define CRP(t, x) const t &x
#define OPL(t, x) bool operator<(CRP(t, x)) const
#define FIL(x, v) memset(x, v, sizeof(x))
#define CLR(x) FIL(x, 0)
#define NE1(x) FIL(x, -1)
#define INF(x) FIL(x, 0x3f)
#ifndef _DEBUG
#define _DEBUG 0
#endif // !_DEBUG
#define IFD if (_DEBUG)
typedef long long ll, i64;
const int N = 105;
char s[N], t[N];
int cnt1[26], cnt2[26];
int main()
{
    int n;
    scanf("%d", &n);
    while (n--)
    {
        scanf("%s%s", s, t);
        CLR(cnt1), CLR(cnt2);
        for (char *p = s; *p; p++) cnt1[*p - 'a']++;
        for (char *p = t; *p; p++) cnt2[*p - 'a']++;
        bool flag = false;
        for (int i = 0; i < 26; i++)
            if (cnt1[i] && cnt2[i])
                flag = true;
        puts(flag ? "YES" : "NO");
    }
    return 0;
}