import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        char[] c = str.toCharArray();
        System.out.print("2018/");
        for (int i = 5; i < c.length; i++) {
            System.out.print(c[i]);
        }
        System.out.println();
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        char[] c = str.toCharArray();
        System.out.print("2018/");
        for (int i = 5; i < c.length; i++) {
            System.out.print(c[i]);
        }
        System.out.println();
    }
} Main public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        char[] c = str.toCharArray();
        System.out.print("2018/");
        for (int i = 5; i < c.length; i++) {
            System.out.print(c[i]);
        }
        System.out.println();
    } main {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        char[] c = str.toCharArray();
        System.out.print("2018/");
        for (int i = 5; i < c.length; i++) {
            System.out.print(c[i]);
        }
        System.out.println();
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String str = sc.next(); str sc.next() sc.next sc char[] c = str.toCharArray(); c str.toCharArray() str.toCharArray str System.out.print("2018/") System.out.print System.out System System.out "2018/" for (int i = 5; i < c.length; i++) {
            System.out.print(c[i]);
        } int i = 5; int i = 5; i 5 i < c.length i c.length c c.length i++ i++ i {
            System.out.print(c[i]);
        } {
            System.out.print(c[i]);
        } System.out.print(c[i]) System.out.print System.out System System.out c[i] c i System.out.println() System.out.println System.out System System.out String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        char[] c = str.toCharArray();
        System.out.print("2018/");
        for (int i = 5; i < c.length; i++) {
            System.out.print(c[i]);
        }
        System.out.println();
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        char[] c = str.toCharArray();
        System.out.print("2018/");
        for (int i = 5; i < c.length; i++) {
            System.out.print(c[i]);
        }
        System.out.println();
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        String str = sc.next();
        char[] c = str.toCharArray();
        System.out.print("2018/");
        for (int i = 5; i < c.length; i++) {
            System.out.print(c[i]);
        }
        System.out.println();
    }
}
