a,b = map(int, input().split())


def calc(a,b):
    l=[]
    for i in range(a,b+1):
        if i%3==0:
            l.append(i)
            continue
        m=i
        while 1:
            if m==0:
                break
            if ((m-round(m,-1))==3):
                l.append(i)
                break
            m=int(m/10)
    return l
            
for i in calc(a,b):
    print(i)