M = int(input()) 
N = int(input())

numList = []
for i in range(M,N+1):
    if i%7==0 and i%5!=0:
        numList.append(str(i)) 
        # 转换为文字再存储，因为只有列表内容全是文字类型才能使用 ",".join(numList)

print(",".join(numList))