''' Define your function here '''
def GetUserValues():
    user_int = int(input())
    lst = []
    for i in range(user_int):
        lst.append(int(input()))
    if IsListEven(lst):
        print('all even')
    elif(IsListOdd(lst)):
        print('all odd')
    else:
        print('not even or odd')
def IsListEven(lst2):
    count = 0
    for i in range(len(lst2)):
        if lst2[i] %2 == 0:
            count += 1
    if count == len(lst2):
        return True
    else:
        return False
def IsListOdd(lst2):
    count = 0
    for i in range(len(lst2)):
        if lst2[i] %2 != 0:
            count += 1
    if count == len(lst2):
        return True
    else:
        return False

# The statement below replaces def main():  Do not elminate it.  Write your main program after this statement.
if __name__ == '__main__':
   ''' Type your code here. '''
   GetUserValues()