Console.WriteLine("请输入一个年份");
int year = Convert.ToInt32(Console.ReadLine());
bool b = (year % 400==0)||(year % 4 == 0 && year % 100!=0);
Console .WriteLine (b);
Console .ReadKey ();
Console.WriteLine("请输入一个年份");
int year = Convert.ToInt32(Console.ReadLine());
bool b = (year % 400==0)||(year % 4 == 0 && year % 100!=0);
Console .WriteLine (b);
Console .ReadKey ();