const v : array[0..99] of byte =
      (0,1,5,2,8,3,9,2,8,7,
       7,8,4,7,3,8,4,1,5,
       4,4,5,9,6,2,7,3,6,
       2,1,1,2,8,1,7,2,8,
       5,9,8,8,9,3,0,6,1,
       7,0,6,5,5,6,2,5,1,
       6,2,9,3,2,2,3,7,4,
       0,5,1,4,0,9,9,0,6,
       9,5,0,6,3,7,6,6,7,
       1,8,4,9,5,8,4,3,3,
       4,0,3,9,4,0,7,1,0) ;

var fi,fo : text ;
    i,n,x : integer ;


begin
   assign(fi,'cifra.in') ; reset(fi) ;
   assign(fo,'cifra.out') ; rewrite(fo) ;
   readln(fi,n) ;
   for i := 1 to n do
    begin
       read(fi,x) ;
       writeln(fo,v[x mod 100]) ;
    end;
   close(fi) ; close(fo) ;
end.