Description

Determine if a positive integer is a two-digit number (i.e., greater than or equal to $10$ and less than or equal to $99$). If the positive integer is a two-digit number, output $1$; otherwise, output $0$.

Input Format

A positive integer not exceeding $1000$.

Output Format

One line. If the positive integer is a two-digit number, output $1$; otherwise, output $0$.

Sample

54

1