#include<iostream>
#include <string>
using namespace std;
int main () {
int t; cin >> t;
while (t--) {
string y;
cin.ignore();
getline (cin, y);
bool yes=true;
if (y[0]!='Y' && y[0]!='y')
yes=false;
if (y[1]!='E' && y[1]!='e')
yes = false;
if (y[2]!='S' && y[2]!='s')
yes = false;
cout << ((yes) ? "YES" : "No") << endl;
}
return 0;
}
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