
import java.io.IOException;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) throws IOException {

		Scanner in = new Scanner(System.in);

		char[] c = in.next().toCharArray();

		StringBuffer sb = new StringBuffer();
		sb.append("2018");
		for (int i = 4; i < c.length; i++) {
			sb.append(c[i]);
		}

		System.out.println(sb.toString());

	}

}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz