func main()
	var ans: []char :: "0".repeat(10)
	for i(0, 9)
		var maxX: int :: 0
		var maxD: int :: 0
		for d(0, 9)
			do ans[i] :: '0'.offset(d)
			do cui@print("\{ans}\n")
			do cui@flush()
			var x: int :: cui@inputInt()
			var s: []char :: cui@input()
			if(s = "unlocked")
				ret
			end if
			if(x > maxX)
				do maxX :: x
				do maxD :: d
			end if
		end for
		do ans[i] :: '0'.offset(maxD)
	end for
	do cui@print("\{ans}\n")
end func