#include<bits/stdc++.h>
using namespace std;
int main()
{
int t,i,n,c,s,sum,sum2;
cin>>t;
string str;
for(i=1;i<=t;i++)
{getline(cin,str);
n=str.length();
sum=0;sum2=0;
if(n%2==0)
{c=n/2;s=c+1;}
else
{c=n/2-1';s=c+2;}
for(i=0;i<=c;i++)
{
sum=sum+(int)(str[i])*(int)(str[i]-64);
}
for(i=s;i<n;i++)
{
sum2=sum2+(int)(str[i])*(int)(str[i]-64);
}
if(sum==sum2)
cout<<"YES \n";
else
cout<<"NO \n";
}
}
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