See the problem statement here: [http://codeforces.com/contest/921/problem/01](//codeforces.com/contest/921/problem/01).
none
none
print('''
for-999
	for-999
		move-left
		if-ok else break endif
	end

	for-999
		move-down
		if-ok else break endif
	end

	for-999
		move-right
		if-ok else break endif
	end

	for-999
		move-up
		if-ok else break endif
	end
end
''')