import sys
def cyfryparzyste(m, n,):
    out = []
    for i in range(m, n+1):
        parzyste = 1
        for c in str(i):
            if int(c)%2!=0:
                parzyste=0
                break
        if parzyste:
            out.append(i)
    return out
a, b =[ int(i) for i in sys.argv[1:3]]
print(', '.join([str(i) for i in cyfryparzyste(a, b)]))