import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader stdReader =new BufferedReader(new InputStreamReader(System.in));
		PrintWriter out = new PrintWriter(System.out);

			int l = Integer.parseInt(stdReader.readLine());
			int m = Integer.parseInt(stdReader.readLine());
			int n = Integer.parseInt(stdReader.readLine());
			if(n==1000){
				n = 0;
			}
			if(n>=100){
				l += n/100;
				n -= (n/100)*100;
			}
			if(n>=25){
				m += n/25;
				n -= (n/25)*25;
			}
			if(m>=40){
				m -= (m/40)*40;
			}
			if(m>=4){
				l += m/4;
				m -= (m/4)*4;
			}
			if(l>=10){
				l -= (l/10)*10;
			}
			out.println((l+m+n));
			out.flush();
			
			}
}