A,B=map(int,input().split())

a=[]
b=[]

for i in range(A,B+1):
    a.append(i)

for i in a:
   if i%3==0:
       b.append(i)

for i in a:
    if (('3' in str(i))==True)and((i in b)==False):
        b.append(i)

if len(b)!=0:
    for i in sorted(b):
        print(i)