统计mn上除三余2且含6的数字mn由键盘输入输入无效数据时输出error

m = input("请输入m：") n = input("请输入n：")

if not m.isdigit() or not n.isdigit(): print("error") else: m = int(m) n = int(n) count = 0 for i in range(m, n+1): if i % 3 == 2 and '6' in str(i): count += 1 print(count)