A, B = input().strip().split(' ')
A=int(A)
B=int(B)
B=B+1
num=[i for i in range(A,B,1)]

num1=[i for i in num[:] if i % 3 == 0]

num2=[str(i) for i in num]

num3=[]
for i in range(0,B-A):
    if num2[i].find('3') == -1:
        pass
    else:
        num3.append(num2[i])

num4=[int(i) for i in num3]

world_nabe=num1+num4
world_nabe2 = list(set(world_nabe))
world_nabe2.sort()

for i in world_nabe2[:]:
    print(i)