include<stdio.h>

include<string.h>

int main() { char a[100]; int test,i,len=0,count=0;

scanf("%d",&test);

while(test--)
{
    scanf("%s",&a);
    count=0;
    len=strlen(a);
    if(len<=100)
    {
        for(i=0;i<len;i++)
        {
            if(a[i]=='A'||a[i]=='D'||a[i]=='O'||a[i]=='P'||a[i]=='Q'||a[i]=='R')

                count++;
            if(a[i]=='B')
                count+=2;

        }
        printf("%d",count);

    }


}

return 0;

}