var s:string;f1,f2:text;
    x:byte;
    n,t,i,nr,sl:longint;
 begin
 assign(f1,'cifra.in');
reset(f1);
assign(f2,'cifra.out');
rewrite(f2);
 readln(f1,t);
 for i:=1 to t do begin
     readln(f1,s);
     n:=length(s);
     if n=1 then sl:=ord(s[1])-48
        else begin
             sl:=ord(s[n-1])-48;
             sl:=10*sl+ord(s[n])-48;
             end;
     nr:=4*(sl div 20);
     sl:=sl mod 20;
     if sl>=1then inc(nr);
     if sl>=2then nr:=nr+4;
     if sl>=3then nr:=nr+7;
     if sl>=4then nr:=nr+6;
     if sl>=5then nr:=nr+5;
     if sl>=6then nr:=nr+6;
     if sl>=7then nr:=nr+3;
     if sl>=8then nr:=nr+6;
     if sl>=9then nr:=nr+9;
     if sl>=11then inc(nr);
     if sl>=12then nr:=nr+6;
     if sl>=13then nr:=nr+3;
     if sl>=14then nr:=nr+6;
     if sl>=15then nr:=nr+5;
     if sl>=16then nr:=nr+6;
    if sl>=17then nr:=nr+7;
    if sl>=18then nr:=nr+4;
   if sl>=19then nr:=nr+9;
     writeln(f2,nr mod 10);
     end;
 close(f1);
close(f2);
end.