#include<iostream>
using namespace std;
int main(){

	int L,M,N;
	int ans=0;
	cin>>L>>M>>N;
	
	L+=N/100;
	M+=(N%100)/25;
	ans+=(N%100)%25;
	L+=M/4;
	ans+=M%4;
	ans+=L%10;
	cout<<ans<<endl;
	
	return 0;
}