import java.util.Scanner;public class day{ public static void main(String[] args){ Scanner in=new Scanner(System.in); System.out.println("請輸入1900年之后的年份："); int year=in.nextInt(); System.out.println("請輸入月份："); int month=in.nextInt(); int sum=0; for(int i=1900;i<year;i++){ if(year%4==0&&year%100!=0||year%400==0){ sum+=366; } else{ sum+=365; } } for(int j=1;j<month;j++){ if(j==2){ if(year%4==0&&year%100!=0||year%400==0){ sum+=29;} else{sum+=28;} } else{ if(j==4||j==6||j==9||j==11){ sum+=30; } else{sum+=31;} } } sum+=1; int wekday=sum%7; System.out.println("日\t一\t二\t三\t四\t五\t六"); for(int i=1;i<=wekday;i++){ System.out.print("\t"); } for(int j=1;j<=31;j++){ if(sum%7==6){ System.out.print(j+"\n"); } else{ System.out.print(j+"\t");} sum++; } }}