#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\n",count);
 
    }
 
 
}
 
return 0;
}
 

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# .
0xd21#dd098x
3
1 0
2 0
3 0
123.123