package yukicoder; import java.util.HashMap; import java.util.Map; import java.util.Scanner; public class DieTeria { static Map lastDay = new HashMap() { { put(1, 31); put(2, 28); put(3, 31); put(4, 30); put(5, 31); put(6, 30); put(7, 31); put(8, 31); put(9, 30); put(10, 31); put(11, 30); put(12, 31); } }; // 日付をn日後に進める。 static int n = 2; public static void main(String[] args) { // 標準入力から読み込む際に、Scannerオブジェクトを使う。 Scanner sc = new Scanner(System.in); String s = sc.next(); int year = Integer.parseInt(s.split("/")[0]); int month = Integer.parseInt(s.split("/")[1]); int day = Integer.parseInt(s.split("/")[2]); // int year = 2000; // int month = 2; // int day = 27; if (isUruu(year)) { lastDay.put(2, 29); } if (isOverEndOfMonth(month, day + n)) { day = reCalucurateDay(month, day + n); if (isOverEndOfYear(year, month + 1)) { month = reCalucurateMonth(month); year++; } else { month++; } } else { day += n; } System.out.println(String.format("%04d/%02d/%02d", year, month, day)); } static boolean isUruu(int year) { if (year / 400 == 0) { return true; } else if (year / 100 == 0) { return false; } else if (year / 4 == 0) { return true; } return false; } static int reCalucurateDay(int month, int day) { return day - lastDay.get(month); } static int reCalucurateMonth(int month) { return 1; } static boolean isOverEndOfMonth(int month, int day) { return (day > lastDay.get(month)); } static boolean isOverEndOfYear(int year, int month) { return (month > 12); } }