def nyu():
    num1,num2 = input().split()
    num1 = int(num1)
    num2 = int(num2)
    return num1,num2

def check(num1,num2):
    sum = num1*num2
    
    if sum %2 != 0:
        print("Odd")
    else :
        print("Even")

a,b= nyu()
check(a,b)


