import sys

def matmul(a,b):
  mul = a * b
  return mul

if __name__=="__main__":
  li = []
  for i in sys.argv:
    li.append(i)
  a = li[0]
  b = li[1]
  c = matmul(a,b)
  if c%2:
    print("Even")
  else:
    print("Odd")
