문제

코드

import java.util.Scanner;

public class q28444 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        
        int H = sc.nextInt();
        int I = sc.nextInt();
        int A = sc.nextInt();
        int R = sc.nextInt();
        int C = sc.nextInt();
        
        System.out.print(H*I - A*R*C);
    }
}