func main()
	var n: int :: cui@inputInt()
	for(0, n - 1)
		var d: int :: cui@inputInt()
		var ans: []char :: "10"
		if(d <> 1)
			do ans :: "9" ~ "0".repeat(d - 1)
		end if
		do cui@print("\{ans}\n")
	end for
end func