program HOLES;
var
t,x,y,f:longint;
word:string;
begin
readln(t);
for y := 1 to t do
begin
readln(word);
f := 0;
for x := 1 to length(word) do
begin
if word[x] in ['A','D','O','P','Q','R'] then f+=1
else if word[x] = 'B' then inc(f,2);
end;
writeln(f);
end;
end.
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