output_description: If the product is odd, print `Odd`; if it is even, print `Even`.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      a b
attempt: t = [0]
  x = [0]
  y = [0]
  N = int(input())
  for i in range(N):
    ti, xi, yi = map(int,input().split())
    t.append(ti)
    x.append(xi)
    y.append(yi)
    
  flg = True 
  for i in range(1,N+1):
    if (t[i]-t[i-1] <　x[i]-x[i-1] + y[i]-y[i-1]):
      flg = False
    elif ((t[i]-t[i-1])%2 != (x[i]-x[i-1]+y[i]-y[i-1])%2):
      flg = False
  if(flg):
    print("Yes")
  else:
    print("No")
  
problem_description: Statement
  
  AtCoDeer the deer found two positive integers, a and b. Determine whether the
  product of a and b is even or odd.
samples: [{"input": "3 4", "output": "Even\n    \n\nAs 3 \u00d7 4 = 12 is even, print `Even`.\n\n* * *"}, {"input": "1 21", "output": "Odd\n    \n\nAs 1 \u00d7 21 = 21 is odd, print `Odd`."}]