# First Recurring Character

Write a program that outputs the first recurring character in a string.

## Input Description

A string of alphabetical characters. Example:
```text
ABCDEBC
```

## Output Description

The first recurring character from the input. From the above example:
```text
B
```

## Note

What is exactly the definition of 'first recurring character'? 
- It is the character that recurs first (B in the series ABBA)

## Examples
```text
ABCDEBC ➞ B
ABBA ➞ B
```