CF456B.Fedya and Maths

普及/提高-

通过率：0%

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题目描述

Fedya studies in a gymnasium. Fedya's maths hometask is to calculate the following expression:

$(1^{n}+2^{n}+3^{n}+4^{n}) mod 5$ for given value of $n$ . Fedya managed to complete the task. Can you? Note that given number $n$ can be extremely large (e.g. it can exceed any integer type of your programming language).

输入格式

The single line contains a single integer $n$ ( $0\le n\le10^{10^5}$ ). The number doesn't contain any leading zeroes.

输出格式

Print the value of the expression without leading zeros.

输入输出样例

输入#1
```
4
```
输出#1
```
4
```
输入#2
```
124356983594583453458888889
```
输出#2
```
0
```

说明/提示

Operation $x mod y$ means taking remainder after division $x$ by $y$ .

Note to the first sample:

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