Nickname

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

inputFormat

Input

Input is given from Standard Input in the following format:

S

outputFormat

Output

Print your answer.

Examples

Input

takahashi

Output

tak

Input

naohiro

Output

nao

样例

naohiro

nao