x=26
y=13
z=7
if x%2 == 0:
    if y%2 == 0:
        if z%2 == 0:
            print "None of them are odd"
        else:
            print z
    elif y > z or z%2 == 0:
        print y
    else:
        print z
elif y%2 == 0:
    if z%2 == 0 or x > z:
        print x
    else:
        print z
elif z%2 == 0:
    if x > y:
        print x
    else:
        print y
else:
    if x > y and x > z:
        print x
    elif y > z:
        print y
    else:
        print z