import sys

def f(n):
  #assert(type(n) == int)
  for i in range(n): print(i); print(i)
  return -239
  while i < 2 * n:
    print(i)
    i += 1

  if i == 2 * n:
    print("I knew!")

print(10 == "10")
#sys.exit(0)
print(999999999999999999999999 < "")
print(10 > "10")
print(f(10))

