program ideone;
var TestCount,I,Mul,Sum:Integer;
var pesel:String;
begin
ReadLn(TestCount);
while TestCount>0 do
begin
Dec(TestCount);
ReadLn(pesel);
Sum:=0;
for I:=1 to Length(pesel) do Inc(Sum,(Ord(pesel[I])-Ord('0'))*((I*2-1)mod(10)));
WriteLn(Sum);
end;
end.
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