#include<iostream>
#include<string.h>
using namespace std;
main(){
int c=0,n;
char s[40];
cin>>n;
while(n--){
cin>>s;
c=0;
for(int i=0;i<strlen(s);i++){
if( (s[i]=='A')||(s[i]=='D')||(s[i]=='P')||(s[i]=='O')||(s[i]=='R')||(s[i]=='Q') ){
c++;
}
else if(s[i]=='B'){
c=c+2;
}
}
cout<<c<<endl;
}
}
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