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.