zad1

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);

        double biscPerDay = Integer.parseInt(scan.nextLine());
        int workers = Integer.parseInt(scan.nextLine());
        int compBiscs = Integer.parseInt(scan.nextLine());

        double tempBiscsPerDay = biscPerDay;
        int  ourBiscsTotal = 0;
        double percent = 0;
        boolean greater = true;

        for (int i = 1; i <= 30; i++) {
            biscPerDay = tempBiscsPerDay;
            if(i%3 == 0){
               biscPerDay = biscPerDay * 0.75;
           }
           ourBiscsTotal +=Math.floor((biscPerDay*(double)workers));
        }

        double difference = 0;
        if(ourBiscsTotal > compBiscs){
            difference = ourBiscsTotal - compBiscs;
            percent = difference/compBiscs*100;
        }
        else{
            difference = compBiscs - ourBiscsTotal;
            percent = difference/compBiscs*100;
            greater = false;
        }

        System.out.println("You have produced " + ourBiscsTotal + " biscuits for the past month.");
        if(!greater){
            System.out.printf("You produce %.2f percent less biscuits." , percent);
        }
        else {
            System.out.printf("You produce %.2f percent more biscuits." , percent);
        }
    }
}