l=input().split()
for i in range(len(l)):
    l[i] = int(l[i])

a=l[0]
b=l[1]

k = []

if((a<1 or a>2000000000) or (b<1 or b>2000000000) or ((b-a)<0 or (b-a)>=100)):
    pass
else:
    for i in range(a,b+1):
        if(i%3 == 0):
            k.append(i)
        elif(str(object=i).find("3") != -1):
            k.append(i)    

for i in range(len(k)):
    i = int(i)
    print(k[i])