#include <cstdio>
#include <iostream>
#include <cstring>
using namespace std;
int main() {
int t,cnt;
string s;
cin>>t;
while(t--)
{
cin>>s;
cnt=0;
int len = s.length();
for(int i = 0 ; i < len ; i++)
{
if((s[i])=='A'||(s[i])=='D'||(s[i])=='O'||(s[i])=='P'||(s[i])=='Q'||(s[i])=='R')
cnt++;
if((s[i])=='B')
cnt+=2;
};
cout<<cnt<<endl;
};
return 0;
}
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