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

int main(){
  int n;
  cin>>n;
  int count = 0;

  int q = n/25;
  count += q;
  n -= q*25;

  q = n/10;
  count += q;
  n -= q*10;

  q = n/5;
  count += q;
  n -= q*5;

  count += n;
  
  cout<<count<<endl;
}

### 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;
  int count = 0;

  int q = n/25;
  count += q;
  n -= q*25;

  q = n/10;
  count += q;
  n -= q*10;

  q = n/5;
  count += q;
  n -= q*5;

  count += n;
  
  cout<<count<<endl;
}

```