//inlclude前用define 
#define _USE_MATH_DEFINES

//include
#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<cmath>
#include<cstdio>
#include<type_traits>
#include<numeric>
#include<limits>
#include<iomanip>
using namespace std;
//typedef
typedef vector<int> VI;
typedef vector<string> VS;
typedef vector<char> VC;

//grobal変数


int main() {
	int y, m, d;
	char d1, d2;
	cin >> y >> d1 >> m >> d2 >> d;
	VI day = { 31,28,31,30,31,30,31,31,30,31,30,31};

	d += 2;

	if (y % 4 == 0 && y%100!=0) {
		day[1] = 29;
	}else if (y % 400 == 0) {
		day[1] = 29;
	}

	if (day[m - 1] < d) {
		d -= day[m - 1];
		m++;
	}

	if (m > 12) {
		y++;
		m -= 12;
	}
	cout << y << d2;
	cout << setfill('0') << right << setw(2) << m << d1;
	cout << setfill('0') << right << setw(2) << d;
	cout << "\n";
	return 0;
}