#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;
}

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