Digit Count Including Zero

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

Given a nonnegative integer n, count the digits in its ordinary decimal representation, without leading zeroes. The number 0 is represented by one digit, so its answer is 1.

Input

One nonnegative integer n.

Output

Print the number of decimal digits in n.

Subtasks

• Subtask 1 (20%): 0 <= n <= 9.
• Subtask 2 (30%): 0 <= n <= 100000.
• Subtask 3 (50%): 0 <= n <= 10^18.

Examples

Example 1

Input

0

Output

1

Explanation

Zero has one decimal digit.

Example 2

Input

1000

Output

4

Explanation

Integer division by 10 gives 1000,100,10,1,0: four divisions.