
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		StringBuilder sb = new StringBuilder();
		sb.append(2018);
		sb.append(S.substring(4,10));
		
		System.out.println(sb.toString());
		
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		StringBuilder sb = new StringBuilder();
		sb.append(2018);
		sb.append(S.substring(4,10));
		
		System.out.println(sb.toString());
		
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		StringBuilder sb = new StringBuilder();
		sb.append(2018);
		sb.append(S.substring(4,10));
		
		System.out.println(sb.toString());
		
	} main {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		StringBuilder sb = new StringBuilder();
		sb.append(2018);
		sb.append(S.substring(4,10));
		
		System.out.println(sb.toString());
		
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc StringBuilder sb = new StringBuilder(); sb new StringBuilder() sb.append(2018) sb.append sb 2018 sb.append(S.substring(4,10)) sb.append sb S.substring(4,10) S.substring S 4 10 System.out.println(sb.toString()) System.out.println System.out System System.out sb.toString() sb.toString sb String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		StringBuilder sb = new StringBuilder();
		sb.append(2018);
		sb.append(S.substring(4,10));
		
		System.out.println(sb.toString());
		
	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		StringBuilder sb = new StringBuilder();
		sb.append(2018);
		sb.append(S.substring(4,10));
		
		System.out.println(sb.toString());
		
	}
} Main

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();
		StringBuilder sb = new StringBuilder();
		sb.append(2018);
		sb.append(S.substring(4,10));
		
		System.out.println(sb.toString());
		
	}
}
