Problem8630--ALDS1_15_A : Change-Making Problem

8630: ALDS1_15_A : Change-Making Problem

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Time Limit : 1.000 sec  Memory Limit : 256 MiB

Description

You want to make change for $n$ cents. 

Assuming that you have infinite supply of coins of 1, 5, 10 and/or 25 cents coins respectively, find the minimum number of coins you need.

Input

The integer $n$ is given in a line.

Output

Print the minimum number of coins you need in a line.

Constraints

$1 \leq n \leq 10^9$

Sample 1 Input

100

Sample 1 Output

4

Sample 2 Input

54321

Sample 2 Output

2175

HINT

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