85A - Domino - CodeForces Solution

n = int(input())

if n % 2 == 0:
	res1 = 'f'
	res2 = 'f'
	res3 = ""
	res4 = ""
	
	p = 1
	while len(res1) + 1 < n:
		if p % 2:
			res1 = res1 + "aa"
			res2 = res2 + "bb"
		else:
			res1 = res1 + "bb"
			res2 = res2 + "aa"
		p = (p + 1) % 2
		
	while len(res3)  < n:
		if p % 2:
			res3 = res3 + "xx"
			res4 = res4 + "yy"
		else:
			res3 = res3 + "yy"
			res4 = res4 + "xx"
		p = (p + 1) % 2
	
	res1 = res1 + 'o'
	res2 = res2 + 'o'
	
	print(res1, res2, res3, res4, sep='\n')
else:
	res1 = 'f'
	res2 = 'f'
	res3 = ""
	res4 = ""
	
	p = 1
	while len(res1) + 1 < n:
		if p % 2:
			res1 = res1 + "aa"
			res2 = res2 + "bb"
		else:
			res1 = res1 + "bb"
			res2 = res2 + "aa"
		p = (p + 1) % 2
		
	while len(res3) + 1 < n:
		if p % 2:
			res3 = res3 + "xx"
			res4 = res4 + "yy"
		else:
			res3 = res3 + "yy"
			res4 = res4 + "xx"
		p = (p + 1) % 2
	
	res3 = res3 + 'z'
	res4 = res4 + 'z'
	
	print(res1, res2, res3, res4, sep='\n')