package dayprint;

import java.util.*;

public class DayPrint2 {
	public static void main(String[] args) {
		boolean leapFlag = false;
		int totalDays = 0;
		
		Scanner sc = new Scanner(System.in);
		System.out.println("曜日の日付判定を致します。日付を入力して下さい。");
		System.out.print("年: ");
		int year = Integer.parseInt(sc.nextLine());
		System.out.print("月: ");
		int month = Integer.parseInt(sc.nextLine());
		System.out.print("日: ");
		int day = Integer.parseInt(sc.nextLine());
		
		if((year%4 == 0 && year%100 != 0) || year%400 == 0){
			leapFlag = true;
		}
		
		int gap = year - 1601;
		totalDays = 365*gap + gap/4 - gap/100 + gap/400;
		for(int i = 1; i < month; i++){
			switch(i){
			case 1:
			case 3:
			case 5:
			case 7:
			case 8:
			case 10:
			case 12:
				totalDays += 31;
				break;
			case 2:
				totalDays += leapFlag ? 29 : 28;
				break;
			case 4:
			case 6:
			case 9:
			case 11:
				totalDays += 30;
				break;
			}
		}
		totalDays += day;
		
		String[] dayOfWeek = {"日","月","火","水","木","金","土"};
		System.out.println("あなたの入力された日付は" + dayOfWeek[totalDays%7] + "です。");
	}
}