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Problem B
Bitte ein Bit

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A bottle of Bitburger Premium Beer displaying the company slogan “Bitte ein Bit.”

The city of Bitburg in Rhineland–Palatinate, Germany, is home to the Bitburger Brewery founded in 1817. Since 1951, the company slogan is, “Bitte ein Bit,” literally, “A Bit, please.”

Given some bits, output one of them.

Input

The input consists of a single line of $n$ bits, given as $0$s and $1$s. We have $1\leq n\leq 100$.

Output

Print a single bit from the given bits, it doesn’t matter which.

Sample Input 1 Sample Output 1
1
1
Sample Input 2 Sample Output 2
00000
0
Sample Input 3 Sample Output 3
101
0