import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String s = sc.next();
		char[] charArray = s.toCharArray();
		char[] notModify = new char[s.length() - 4];
		for(int i = 0 ; i < notModify.length ;i++){
			notModify[i] = charArray[i + 4];
		}
		String notModified = "";
		for(int i = 0 ; i < notModify.length ;i++){
			notModified = notModified + String.valueOf(notModify[i]);
		}
		System.out.println("2018" + notModified);
	}
}
/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