import java.util.*;
 
public class Main {
    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	String S = sc.next();
    	String[] s = S.split("/");
    	System.out.println(2018+"/"+s[1]+"/"+s[2]);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	String S = sc.next();
    	String[] s = S.split("/");
    	System.out.println(2018+"/"+s[1]+"/"+s[2]);
    }
} Main public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	String S = sc.next();
    	String[] s = S.split("/");
    	System.out.println(2018+"/"+s[1]+"/"+s[2]);
    } main {
    	Scanner sc = new Scanner(System.in);
    	String S = sc.next();
    	String[] s = S.split("/");
    	System.out.println(2018+"/"+s[1]+"/"+s[2]);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc String[] s = S.split("/"); s S.split("/") S.split S "/" System.out.println(2018+"/"+s[1]+"/"+s[2]) System.out.println System.out System System.out 2018+"/"+s[1]+"/"+s[2] "/" s[1] 2018+"/"+s[1]+"/"+s[2] 2018 "/" s[1] s 1 "/" s[2] s 2 String[] args args public class Main {
    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	String S = sc.next();
    	String[] s = S.split("/");
    	System.out.println(2018+"/"+s[1]+"/"+s[2]);
    }
} public class Main {
    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	String S = sc.next();
    	String[] s = S.split("/");
    	System.out.println(2018+"/"+s[1]+"/"+s[2]);
    }
} Main
import java.util.*;
 
public class Main {
    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	String S = sc.next();
    	String[] s = S.split("/");
    	System.out.println(2018+"/"+s[1]+"/"+s[2]);
    }
}