#include <iostream>
using namespace std;

int main(void){
  int n, ans;
  
  cin >> n;
  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

Construct a Cpp code solution to the problem outlined:

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

```