import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// 085_A
		Scanner sc = new Scanner(System.in);
		// 文字列の入力
		String S = sc.nextLine();
		// Scannerクラスのインスタンスをクローズ
		sc.close();

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

/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