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.