103350: [Atcoder]ABC335 A - 202<s>3</s>

Problem Statement

You are given a string $S$ consisting of lowercase English letters and digits.
$S$ is guaranteed to end with 2023.
Change the last character of $S$ to 4 and print the modified string.

Constraints

• $S$ is a string of length between $4$ and $100$, inclusive, consisting of lowercase English letters and digits.
• $S$ ends with 2023.

Input

The input is given from Standard Input in the following format:

$S$

Output

Print the answer.

Sample Input 1

hello2023

Sample Output 1

hello2024

Changing the last character of hello2023 to 4 yields hello2024.

Sample Input 2

worldtourfinals2023

Sample Output 2

worldtourfinals2024

Sample Input 3

2023

Sample Output 3

2024

$S$ is guaranteed to end with 2023, possibly being 2023 itself.

Sample Input 4

20232023

Sample Output 4

20232024

问题描述

给你一个由小写英文字母和数字组成的字符串$S$。

字符串$S$保证以2023结尾。

将$S$的最后一个字符改为4并打印修改后的字符串。

限制条件

• $S$是一个长度在4到100之间的字符串，由小写英文字母和数字组成。
• $S$以2023结尾。

输入

输入通过标准输入给出，格式如下：

$S$

输出

打印答案。

样例输入1

hello2023

样例输出1

hello2024

将hello2023的最后一个字符改为4得到hello2024。

样例输入2

worldtourfinals2023

样例输出2

worldtourfinals2024

样例输入3

2023

样例输出3

2024

$S$保证以2023结尾，可能是2023本身。

样例输入4

20232023

样例输出4

20232024