data = [int(a) for a in open("input.txt", "r").read().split("\n") if a != '']
-odd_numbers = [a for a in data if a % 2 == 1]
-even_numbers = [a for a in data if a % 2 == 0]
-
for i in range(0,len(data)-3):
for j in range(i+1,len(data)-2):
for k in range(i+2, len(data)-1):