#207 world’s
A,B=(i for i in input().split())
#A,B=input().split()
Al=list(A)
Bl=list(B)
def ct(li):
    i=0
    r=0
    while r==0 and i<len(li):
        if li[i]=="3":
            r=1
        i+=1
    if r==1:
        return 1
    else:
        return 0
def wa(li):
    S=0
    for i in range(len(li)):
        S+=li[i]
    return S
def tt(li):
    if wa(li)%3==0:
        return 1
    else:
        return 0
def po(li):
    lip=[0]*len(li)
    j=len(li)-1
    while j>=0:
        if li[j]==9:
            li[j-1]+=10
            lip[j]=0
        else:
            lip[j]=li[j]+1
        j-=1
    return lip
Ai=int(A)
Bi=int(B)
d=Bi-Ai
def cl(lis):
    ou="".join(lis)
    return ou
for i in range(d+1):
    if tt(Al)==1:
        print(cl(Al))
    elif ct(Al)==1:
        print(cl(Al))