fun readInt () =
    valOf (TextIO.scanStream (Int.scan StringCvt.DEC) TextIO.stdIn)


fun printAns n =
    let
        val index = ref 0
        val digits = List.tabulate (n, fn i => 9 - i)
        val count = ref 0
    in
        while !index < n do (
            count := 0;
            while !count < n do (
                print (Int.toString (List.nth(digits, !index)));
                count := !count + 1
            );
            index := !index + 1
        );
        print "\n"
    end
                            
                        


val () =
    let
        val n = readInt ()
    in
        printAns n
    end