import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        System.out.println("2018" + S.substring(4));
    }
} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        final String S = sc.next();

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

        final String S = sc.next();

        System.out.println("2018" + S.substring(4));
    } main {
        Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        System.out.println("2018" + S.substring(4));
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) final String S = sc.next(); S sc.next() sc.next sc 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 String[] args args public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        System.out.println("2018" + S.substring(4));
    }
} public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        System.out.println("2018" + S.substring(4));
    }
} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        final String S = sc.next();

        System.out.println("2018" + S.substring(4));
    }
}
