Problem Description

One sheet of manuscript paper can hold up to 400 characters.

Calculate the minimum number of sheets of manuscript paper needed to write an essay of N characters.

Input Format

The input is given from the standard input in the following format:

$ N $

Output Format

Output the minimum number of sheets of manuscript paper needed as an integer.

Sample Input and Output

Sample Input #1

1200

Sample Output #1

3

Sample Input #2

1

Sample Output #2

1

Sample Input #3

869120

Sample Output #3

2173

Notes/Hints

Constraints

• $1 \leq N \leq 1,000,000$.
• $ N $ is an integer.

Partial Points

There are no partial points for this problem. Correctly solving all test cases will award 100 points.

Sample Explanation 1

Using 3 sheets of manuscript paper, you can write up to $3 \times 400 = 1200$ characters.

Sample Explanation 2

Even for writing 1 character, you need 1 sheet of manuscript paper.

见题面 Input 部分

见题面 Output 部分