import java.util.*;
 
public class Main{
	public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
      	scan.useDelimiter("/|¥n");
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	String c = scan.next();
      	System.out.print("2018/01/" + c);
      
    }
} import java.util.*; util.* java public class Main{
	public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
      	scan.useDelimiter("/|¥n");
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	String c = scan.next();
      	System.out.print("2018/01/" + c);
      
    }
} Main public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
      	scan.useDelimiter("/|¥n");
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	String c = scan.next();
      	System.out.print("2018/01/" + c);
      
    } main {
    	Scanner scan = new Scanner(System.in);
      	scan.useDelimiter("/|¥n");
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	String c = scan.next();
      	System.out.print("2018/01/" + c);
      
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) scan.useDelimiter("/|¥n") scan.useDelimiter scan "/|¥n" int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int b = scan.nextInt(); b scan.nextInt() scan.nextInt scan String c = scan.next(); c scan.next() scan.next scan System.out.print("2018/01/" + c) System.out.print System.out System System.out "2018/01/" + c "2018/01/" c String[] args args public class Main{
	public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
      	scan.useDelimiter("/|¥n");
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	String c = scan.next();
      	System.out.print("2018/01/" + c);
      
    }
} public class Main{
	public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
      	scan.useDelimiter("/|¥n");
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	String c = scan.next();
      	System.out.print("2018/01/" + c);
      
    }
} Main
import java.util.*;
 
public class Main{
	public static void main(String[] args){
    	Scanner scan = new Scanner(System.in);
      	scan.useDelimiter("/|¥n");
    	int a = scan.nextInt();
      	int b = scan.nextInt();
      	String c = scan.next();
      	System.out.print("2018/01/" + c);
      
    }
}