using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace 角谷猜想
{
class Program
{
static void Main(string[] args)
{
for (int n = 1; n
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace sys005_date
{
enum Week:sbyte
{
周一=1,周二=2,周三=3,周四=4,周五=5,周六=6,周日=7
}
class Program
