package com.imooc;
import java.util.Scanner;
public class home {
                Scanner input=new Scanner(System.in);
        System.out.println("请输入年份：");
        double year=input.nextDouble();
        System.out.println("请输入月份：");
        double month=input.nextDouble();
        System.out.println("请输入第几天：");
        double day=input.nextDouble();
        if(month==1){
            month=13;
            year--;
        }
        if(month==2){
            month=14;
            year--;
        }
        if(month==13||month==3||month==5||month==7||month==8||month==10||month==12){
            int q=31;
             double m=month;
                double j=year/100+1;
                double k=year%100;
                double h=((q+2.6*(m+1)+k+k/4+j/4+5*j)%7+2);
                if(h==0)
                    System.out.println("星期六！");
                else if(h==1)
                    System.out.println("星期天！");
                else if(h==2)
                    System.out.println("星期一！");
                else if(h==3)
                    System.out.println("星期二！");
                else if(h==4)
                    System.out.println("星期三！");
                else if(h==5)
                    System.out.println("星期四！");
                else
                    System.out.println("星期五！");
        }
        if(month==4||month==6||month==9||month==11){
          double q=30;
          double m=month;
            double j=year/100;
            double k=year%100;
            int b=(int)(q+2.6*(m+1)+k+k/4+j/4+5*j);
            int h=(b%7);
            if(h==0)
                System.out.println("星期六！");
            else if(h==1)
                System.out.println("星期天！");
            else if(h==2)
                System.out.println("星期一！");
            else if(h==3)
                System.out.println("星期二！");
            else if(h==4)
                System.out.println("星期三！");
            else if(h==5)
                System.out.println("星期四！");
            else
                System.out.println("星期五！");
        }
        if(month==14){
            if((year%4==0&&year%100!=0)||year%400==0){
                double q=29;
                 double m=month;
                    double j=year/100+1;
                    double k=year%100;
                    double  h=((q+2.6*(m+1)+k+k/4+j/4+5*j)%7);
                    if(h==0)
                        System.out.println("星期六！");
                    else if(h==1)
                        System.out.println("星期天！");
                    else if(h==2)
                        System.out.println("星期一！");
                    else if(h==3)
                        System.out.println("星期二！");
                    else if(h==4)
                        System.out.println("星期三！");
                    else if(h==5)
                        System.out.println("星期四！");
                    else
                        System.out.println("星期五！");
            }
            else{
                double q=28;
                 double m=month;
                    double j=year/100+1;
                    double k=year%100;
                    double  h=((q+2.6*(m+1)+k+k/4+j/4+5*j)%7);
                    if(h==0)
                        System.out.println("星期六！");
                    else if(h==1)
                        System.out.println("星期天！");
                    else if(h==2)
                        System.out.println("星期一！");
                    else if(h==3)
                        System.out.println("星期二！");
                    else if(h==4)
                        System.out.println("星期三！");
                    else if(h==5)
                        System.out.println("星期四！");
                    else
                        System.out.println("星期五！");
            }
        }
    }
}
ps：这个程序可以执行，但是执行出来的结果与事实不符，请问问题出在哪？