text: #condition
  
  #even or odd
  x = input("Enter an integer number: ")
  x = int(x)
  if x % 2 == 0 :
      print("{} is an even number".format (x))
  else :
      print("{} is an odd number".format(x))
      
  
  
  #finding out the max number
  
  x = input()
  y = input()
  z = input()
  
  if x > y and x > z:
      print("max: {}".format(x))
  elif y > x and y > z:
      print("max: {}".format(y))
  else:
      print("max: {}".format(z))
  
  
  #finding out the grade
  mark = input("Enter your mark: ")
  mark = int(mark)
  if mark >= 80 and mark <= 100:
      print("4.0")
  elif mark >= 75 and mark <= 79:
      print("3.75")
  elif mark >= 70 and mark <= 74:
      print("3.5")
  elif mark >= 65 and mark <= 69:
      print("3.25")
  elif mark >= 60 and mark <= 64:
      print("3.00")
  elif mark >= 55 and mark <= 59:
      print("2.75")
  elif mark >= 50 and mark <= 54:
      print("2.5")
  elif mark >= 45 and mark <= 49:
      print("2.25")
  elif mark >= 40 and mark <= 44:
      print("2.00")
  else:
      print("F")
  