Mosquito.java

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
 
/**
 *
 * @author student
 */
public class Mosquito {
 
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String res = sc.nextLine();
        List<Integer> result = new ArrayList<Integer>();
        int[] a = new int[7];
        int pom = 0;
        while (!"".equals(res)) {
            String[] ress = res.split(" ");
            for (int i = 0; i < ress.length; i++) {
                a[i] = Integer.parseInt(ress[i]);
            }
            try {
                if (a[6] > 0) {
                    for (int i = 0; i < a[6]; i++) {
                        pom = a[0];
                        if (a[5] > 0) {
                            a[0] = Math.round(a[1] / a[5]);
                        } else {
                            a[0] = a[1];
                        }
                        if (a[4] > 0) {
                            a[1] = Math.round(a[2] / a[4]);
                        } else {
                            a[1] = a[2];
                        }
                        a[2] = pom * a[3];
 
                    }
                }
            } catch(ArithmeticException ex) {
                System.err.println(ex.toString());
            }
            result.add(a[0]);
            res = sc.nextLine();
        }
        for (Integer string : result) {
            System.out.println(string);
        }
 
 
    }
}

Mosquitko.java