#include<iostream>
using namespace std;
int a[]={25,10,5,1};
int n;
int main()
{
	cin>>n;
	int ans=0;
	for(int i=0;i<4;i++)
	{
		ans+=n/a[i];
		n%=a[i];
	}
	cout<<ans<<endl;
}


### Prompt

Develop a solution in cpp to the problem described below:

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<iostream>
using namespace std;
int a[]={25,10,5,1};
int n;
int main()
{
	cin>>n;
	int ans=0;
	for(int i=0;i<4;i++)
	{
		ans+=n/a[i];
		n%=a[i];
	}
	cout<<ans<<endl;
}


```