#include <iostream>
using namespace std;
int main(void){
    string s;
    cin >> s;
    cout << s.substr(0,3) << endl;
}

### Prompt

Construct a CPP code solution to the problem outlined:

When you asked some guy in your class his name, he called himself S, where S is a string of length between 3 and 20 (inclusive) consisting of lowercase English letters. You have decided to choose some three consecutive characters from S and make it his nickname. Print a string that is a valid nickname for him.

Constraints

* 3 \leq |S| \leq 20
* S consists of lowercase English letters.

Input

Input is given from Standard Input in the following format:


S


Output

Print your answer.

Examples

Input

takahashi


Output

tak


Input

naohiro


Output

nao

### Response

```cpp
#include <iostream>
using namespace std;
int main(void){
    string s;
    cin >> s;
    cout << s.substr(0,3) << endl;
}

```