Write a program that reads a year and prints the century that the year belongs to.

For example:

• years 1 to 100 are in the 1st century
• years 101 to 200 are in the 2nd century
• years 1901 to 2000 are in the 20th century
• years 2001 to 2100 are in the 21st century

Input

The input contains one positive integer, year.

Output

Output the century number.

Sample Input

1705

Sample Output

18