func main()
	var n: int :: cui@inputInt()
	var m: int :: cui@inputInt()
	var a: []int :: #[m]int
	var b: []int :: #[n]int
	var c: char :: cui@inputChar()
	for i(1, m)
		do a[i - 1] :: cui@inputInt()
	end for
	for i(1, n)
		do b[i - 1] :: cui@inputInt()
	end for
	for i(0, n - 1)
		for j(0, m - 1)
			var val: int :: c = '+' ?(a[j] + b[i], a[j] * b[i])
			do cui@print("\{val}\{j = m - 1 ?('\n', ' ')}")
		end for
	end for
end func