a,b=(int(i) for i in input().split())

l=[i for i in range(a,b+1)]

for i in range(len(l)):
    if l[i]%3==0:
        print(l[i])
    else:
        s=l[i]
        while s!=0:
            if s%10==3:
                print(l[i])
                break
            s=s//10