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

ans = []
for i in range(A, B+1):
    if i % 3 == 0:
        ans.append(i)
    else:
        s = str(i)
        for j in range(len(s)):
            if s[j] == '3':
                ans.append(i)
                break
        
print(*ans, sep='\n')