Check Whether It Is a Two-Digit Number

Problem Description

Determine whether a positive integer is a two-digit number (i.e. greater than or equal to 10 and less than or equal to 99).

Input Format

One positive integer not exceeding 1000.

Output Format

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

Sample Input

54

Sample Output

1

Hint

• "Two-digit number" translates to the condition: ≥10 and ≤99. && means "and"; it is true only when both hold.
• Output 1 or 0.