#include <bits/stdc++.h>
using namespace std;


int main(){
	int n;
	cin >> n;
	int ans = 0;
	ans += n / 25;
	n %= 25;
	ans += n / 10;
	n %= 10;	
	ans += n / 5;
	n %= 5;	
	ans += n;
	cout << ans << endl;

	return 0;
}


### Prompt

Generate a CPP solution to the following problem:

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.

Constraints

* $ 1 \ le n \ le 10 ^ 9 $

Input


$ n $


The integer $ n $ is given in a line.

output

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

Examples

Input

100


Output

4


Input

54321


Output

2175

### Response

```cpp
#include <bits/stdc++.h>
using namespace std;


int main(){
	int n;
	cin >> n;
	int ans = 0;
	ans += n / 25;
	n %= 25;
	ans += n / 10;
	n %= 10;	
	ans += n / 5;
	n %= 5;	
	ans += n;
	cout << ans << endl;

	return 0;
}


```