#include <iostream>
#include<utility>
#include <vector>
#include <map>
#include<string>
#include<queue>
#include<math.h>
#define pb push_back
#define all(x) begin(x),end(x)
#define ll long long
#define P pair<int,int>
#define lP pait<ll,ll>
using namespace std;
int main() {
    int y,m,d;
    char a,b;
    cin>>y>>a>>m>>b>>d;
       if(y%4==0 and y%400==0 and y%100!=0) {
        if(m==1 or m==3 or m==5 or m==7 or m==8){
            if(d<10) cout<<y<<a<<0<<m<<b<<0<<d+2;
            else if(d<30) cout<<y<<a<<0<<m<<b<<d+2;
            else  cout<<y<<a<<0<<m+1<<b<<0<<(d+2)%31;
        }
        else if(m==10){
            if(d<10) cout<<y<<a<<m<<b<<0<<d+2;
            else if(d<30) cout<<y<<a<<m<<b<<d+2;
            else  cout<<y<<a<<m+1<<b<<0<<(d+2)%31;
        }
        else if(m==12){
            if(d<10) cout<<y<<a<<m<<b<<0<<d+2;
            else if(d<30) cout<<y<<a<<m<<b<<d+2;
            else  cout<<y+1<<a<<0<<1<<b<<0<<(d+2)%31;
        }
        else if(m==4 or m==6){
            if(d<10) cout<<y<<a<<0<<m<<b<<0<<d+2;
            else if(d<29) cout<<y<<a<<0<<m<<b<<d+2;
            else  cout<<y<<a<<0<<m+1<<b<<0<<(d+2)%30;
            
        }
        else if(m==9){
            if(d<10) cout<<y<<a<<0<<m<<b<<0<<d+2;
            else if(d<29) cout<<y<<a<<0<<m<<b<<d+2;
            else  cout<<y<<a<<m+1<<b<<0<<(d+2)%30;
        }
        else if(m==11){
            if(d<10) cout<<y<<a<<m<<b<<0<<d+2;
            else if(d<29) cout<<y<<a<<m<<b<<d+2;
            else  cout<<y<<a<<m+1<<b<<0<<(d+2)%30;
        }
        else if(m==2){
            if(d<10) cout<<y<<a<<0<<m<<b<<0<<d+2;
            else if(d<28) cout<<y<<a<<0<<m<<b<<d+2;
            else  cout<<y<<a<<0<<m+1<<b<<0<<(d+2)%29;
        }
    }
    else{
        if(m==1 or m==3 or m==5 or m==7 or m==8){
            if(d<10) cout<<y<<a<<0<<m<<b<<0<<d+2;
            else if(d<30) cout<<y<<a<<0<<m<<b<<d+2;
            else  cout<<y<<a<<0<<m+1<<b<<0<<(d+2)%31;
        }
        else if(m==10){
            if(d<10) cout<<y<<a<<m<<b<<0<<d+2;
            else if(d<30) cout<<y<<a<<m<<b<<d+2;
            else  cout<<y<<a<<m+1<<b<<0<<(d+2)%31;
        }
        else if(m==12){
            if(d<10) cout<<y<<a<<m<<b<<0<<d+2;
            else if(d<30) cout<<y<<a<<m<<b<<d+2;
            else  cout<<y+1<<a<<0<<1<<b<<0<<(d+2)%31;
        }
        else if(m==4 or m==6){
            if(d<10) cout<<y<<a<<0<<m<<b<<0<<d+2;
            else if(d<29) cout<<y<<a<<0<<m<<b<<d+2;
            else  cout<<y<<a<<0<<m+1<<b<<0<<(d+2)%30;
            
        }
        else if(m==9){
            if(d<10) cout<<y<<a<<0<<m<<b<<0<<d+2;
            else if(d<29) cout<<y<<a<<0<<m<<b<<d+2;
            else  cout<<y<<a<<m+1<<b<<0<<(d+2)%30;
        }
        else if(m==11){
            if(d<10) cout<<y<<a<<m<<b<<0<<d+2;
            else if(d<29) cout<<y<<a<<m<<b<<d+2;
            else  cout<<y<<a<<m+1<<b<<0<<(d+2)%30;
        }
        else if(m==2){
            if(d<10) cout<<y<<a<<0<<m<<b<<0<<d+2;
            else if(d<27) cout<<y<<a<<0<<m<<b<<d+2;
            else  cout<<y<<a<<0<<m+1<<b<<0<<(d+2)%28;
        }
    }
    cout<<endl;
    return 0;
}