Time Limit: 2 sec / Memory Limit: 256 MB

### 問題文

20181 月某日、高木さんは書類を書いています。書類には、その日の日付を yyyy/mm/dd という形式で書き込む欄があります。例えば、2018123 日は 2018/01/23 となります。

### 制約

• S は長さ 10 の文字列である。
• S の先頭の 8 文字は 2017/01/ である。
• S の末尾の 2 文字は数字であり、1 以上 31 以下の整数を表す。

### 入力

S


### 出力

S の先頭の 4 文字を 2018 に置き換えて出力せよ。

### 入力例 1

2017/01/07


### 出力例 1

2018/01/07


### 入力例 2

2017/01/31


### 出力例 2

2018/01/31


Score : 100 points

### Problem Statement

On some day in January 2018, Takaki is writing a document. The document has a column where the current date is written in yyyy/mm/dd format. For example, January 23, 2018 should be written as 2018/01/23.

After finishing the document, she noticed that she had mistakenly wrote 2017 at the beginning of the date column. Write a program that, when the string that Takaki wrote in the date column, S, is given as input, modifies the first four characters in S to 2018 and prints it.

### Constraints

• S is a string of length 10.
• The first eight characters in S are 2017/01/.
• The last two characters in S are digits and represent an integer between 1 and 31 (inclusive).

### Input

Input is given from Standard Input in the following format:

S


### Output

Replace the first four characters in S with 2018 and print it.

### Sample Input 1

2017/01/07


### Sample Output 1

2018/01/07


### Sample Input 2

2017/01/31


### Sample Output 2

2018/01/31