func main()
	var n: int :: cui@inputInt()
	var c: int :: (n - 1) / 36 + 1
	
	var cnt: int :: (n - 1) % 36
	
	var a: int :: 0
	var b: int :: 0
	for aa(1, 8)
		for bb(aa + 1, 9)
			if(cnt = 0)
				do a :: aa
				do b :: bb
			end if
			do cnt :- 1
		end for
	end for
	
	do cui@print("\{a}")
	for(1, c)
		do cui@print("\{b}")
	end for
	do cui@print("\n")
end func