cf 1579A

#include<bits\stdc++.h>

using namespace std;

int main()
{
   int t;
   scanf("%d", &t);

   while(t--)
   {
        string s;
        cin >> s;

        int c1 = 0, c2 = 0, c3 = 0;
        for(int i = 0; i < s.length(); i++)
        {
            if(s[i] == 'A') c1++;
            else if(s[i] == 'B') c2++;
            else if(s[i] == 'C') c3++;
        }
        if((c2 == 2*c1 && c2 == 2*c3) || (c3 == c2 - c1 && c1 == c2 - c3))
        {
            printf("YES\n");
        }
        else printf("NO\n");
   }
}