import java.util.Scanner;

public class Main {
	
	public static void main(String[] args) throws Exception {
	    Scanner sc = new Scanner(System.in);   
	    
	    System.out.println("2018" + sc.nextLine().substring(4));
	}    
}	 import java.util.Scanner; Scanner java.util public class Main {
	
	public static void main(String[] args) throws Exception {
	    Scanner sc = new Scanner(System.in);   
	    
	    System.out.println("2018" + sc.nextLine().substring(4));
	}    
} Main public static void main(String[] args) throws Exception {
	    Scanner sc = new Scanner(System.in);   
	    
	    System.out.println("2018" + sc.nextLine().substring(4));
	} main {
	    Scanner sc = new Scanner(System.in);   
	    
	    System.out.println("2018" + sc.nextLine().substring(4));
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) System.out.println("2018" + sc.nextLine().substring(4)) System.out.println System.out System System.out "2018" + sc.nextLine().substring(4) "2018" sc.nextLine().substring(4) sc.nextLine().substring sc.nextLine() sc.nextLine sc 4 String[] args args public class Main {
	
	public static void main(String[] args) throws Exception {
	    Scanner sc = new Scanner(System.in);   
	    
	    System.out.println("2018" + sc.nextLine().substring(4));
	}    
} public class Main {
	
	public static void main(String[] args) throws Exception {
	    Scanner sc = new Scanner(System.in);   
	    
	    System.out.println("2018" + sc.nextLine().substring(4));
	}    
} Main
import java.util.Scanner;

public class Main {
	
	public static void main(String[] args) throws Exception {
	    Scanner sc = new Scanner(System.in);   
	    
	    System.out.println("2018" + sc.nextLine().substring(4));
	}    
}	