#include<bits/stdc++.h>

using namespace std;

int main()
{
    int n;

    cin>>n;

    cout<<n/25+n%25/10+n%25%10/5+n%25%10%5<<endl;

    return 0;
}


### Prompt

Please formulate 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;

    cout<<n/25+n%25/10+n%25%10/5+n%25%10%5<<endl;

    return 0;
}


```