import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UncheckedIOException;
import java.util.Arrays;
import java.util.stream.Stream;

class Main {
    public static void main(String[] args) {
        no32();
    }    
    
    // No.32 貯金箱の憂鬱
    private static void no32() {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        // 100円硬貨
        int $100;
        // 25円硬貨
        int $25;
        // 1円硬貨
        int $1;

        try {

            String L = reader.readLine();
            $100 = Integer.parseInt(L);
            String M = reader.readLine();
            $25 = Integer.parseInt(M);
            String N = reader.readLine();
            $1 = Integer.parseInt(N);

            reader.close();
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }

        int total = 0;

        total += $1 - 25 * ($1 / 25);
        $25 += $1 / 25;
        total += $25 - 4 * ($25 / 4);
        $100 += $25 / 4;
        total += $100 - 10 * ($100 / 10);

        System.out.println(total);
    }
}