#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int n,a[N],res;
int main(){
	scanf("%d",&n);
	int a=n/100;
	n%=100;
	int b=n/20;
	n%=20;
	int c=n/10;
	n%=10;
	int d=n/5;
	n%=5;
	int e=n;
	cout<<a+b+c+d+e;
	return 0;
}