#include<bits/stdc++.h>
using namespace std;
 
#define ll long long
#define pb push_back
#define iterate(i,a,b) for(long long i=0;i<n;i++)
#define Rep(i,a,b) for(long long i=0;i<=n;i++)
 
 
signed main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
 
 int n;
 cin>>n;
 
 vector<int> vec_bills={1, 5, 10, 20, 100};
 // for(auto &x:vec_bills)cout<<x<<" ";
 
  int dp[n+1];
    for(int i=0;i<=n;i++) dp[i]=INT_MAX-1;
    dp[0]=0;
 
 
 for(int j=0;j<5;j++)
 {
  for(int i=1;i<=n;i++)
  {
    dp[i]=min(dp[i],dp[i-vec_bills[j]]+1);
  }
 }
 
 cout<<dp[n]<<"\n";
  return 0;
}

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