#include<stdio.h>
    #include<string.h>
    int main()
    {
    int tc,c,i,flag=0;
    scanf("%d",&tc);
    for(c=0;c<=tc;c++)
    {
    char str[100];
    char *string;
    string=gets(str);
    for(i=0;i<=strlen(string);i++)
    {
    if(*(string+i)=='A'||*(string+i)=='D'||*(string+i)=='O'||*(string+i)=='P'||*(string+i)=='R'||*(string+i)=='Q')
          flag++;
    else if(*(string+i)=='B')
          flag=flag+2;
    }
    printf("%d\n",flag);
    flag=0;
    }
    return 0;
    }
 

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