import java.util.Scanner;

public class Main{

    public static void main(String[] args) {
        
        Scanner scan = new Scanner(System.in);
        
        String s = scan.nextLine();
        
        System.out.println("2018" + s.substring(4));

        scan.close();
        
    }
} import java.util.Scanner; Scanner java.util public class Main{

    public static void main(String[] args) {
        
        Scanner scan = new Scanner(System.in);
        
        String s = scan.nextLine();
        
        System.out.println("2018" + s.substring(4));

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

        scan.close();
        
    } main {
        
        Scanner scan = new Scanner(System.in);
        
        String s = scan.nextLine();
        
        System.out.println("2018" + s.substring(4));

        scan.close();
        
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String s = scan.nextLine(); s scan.nextLine() scan.nextLine scan System.out.println("2018" + s.substring(4)) System.out.println System.out System System.out "2018" + s.substring(4) "2018" s.substring(4) s.substring s 4 scan.close() scan.close scan String[] args args public class Main{

    public static void main(String[] args) {
        
        Scanner scan = new Scanner(System.in);
        
        String s = scan.nextLine();
        
        System.out.println("2018" + s.substring(4));

        scan.close();
        
    }
} public class Main{

    public static void main(String[] args) {
        
        Scanner scan = new Scanner(System.in);
        
        String s = scan.nextLine();
        
        System.out.println("2018" + s.substring(4));

        scan.close();
        
    }
} Main
import java.util.Scanner;

public class Main{

    public static void main(String[] args) {
        
        Scanner scan = new Scanner(System.in);
        
        String s = scan.nextLine();
        
        System.out.println("2018" + s.substring(4));

        scan.close();
        
    }
}