#include <bits/stdc++.h>
using namespace std;
void solve()
{
int count = 0;
string s1, s2;
cin >> s2;
s1 = "YES";
if(s2.size() == s1.size())
{
for(int i=0; i<s2.size(); i++)
{
s2[i] = toupper(s2[i]);
//cout << s2[i] << "\n";
}
for(int i=0; i<s2.size(); i++)
{
if(s2[i] == s1[i])
{
count++;
}
}
if(count == s1.size())
{
cout << "YES" << "\n";
}
else
{
cout << "NO" << "\n";
}
}
else
{
cout << "NO" << "\n";
}
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t;
cin >> t;
while(t--!=0)
{
solve();
}
return 0;
}
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