10827: ABC151 - A - Next Alphabet
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Description
Given is a lowercase English letter $C$ that is not z. Print the letter that follows $C$ in alphabetical order.
Input
Input is given from Standard Input in the following format:
```
$C$
```
```
$C$
```
Output
Print the letter that follows $C$ in alphabetical order.
Constraints
$C$ is a lowercase English letter that is not
z. Sample 1 Input
a
Sample 1 Output
b
a is followed by b.
Sample 2 Input
y
Sample 2 Output
z
y is followed by z.