import java.lang.Math;
import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int N = sc.nextInt();
        int[] V = new int[N];
        int[] C = new int[N];
        for (int i = 0; i < N; i++) {
            V[i] = sc.nextInt();
        }
        for (int i = 0; i < N; i++) {
            C[i] = sc.nextInt();
        }

        int answer = 0;
        for (int i = 0; i < N; i++) {
            answer += Math.max((V[i] - C[i]), 0);
        }

        System.out.println(answer);
    }
} import java.lang.Math; Math java.lang import java.util.Scanner; Scanner java.util class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int N = sc.nextInt();
        int[] V = new int[N];
        int[] C = new int[N];
        for (int i = 0; i < N; i++) {
            V[i] = sc.nextInt();
        }
        for (int i = 0; i < N; i++) {
            C[i] = sc.nextInt();
        }

        int answer = 0;
        for (int i = 0; i < N; i++) {
            answer += Math.max((V[i] - C[i]), 0);
        }

        System.out.println(answer);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int N = sc.nextInt();
        int[] V = new int[N];
        int[] C = new int[N];
        for (int i = 0; i < N; i++) {
            V[i] = sc.nextInt();
        }
        for (int i = 0; i < N; i++) {
            C[i] = sc.nextInt();
        }

        int answer = 0;
        for (int i = 0; i < N; i++) {
            answer += Math.max((V[i] - C[i]), 0);
        }

        System.out.println(answer);
    } main {
        Scanner sc = new Scanner(System.in);

        int N = sc.nextInt();
        int[] V = new int[N];
        int[] C = new int[N];
        for (int i = 0; i < N; i++) {
            V[i] = sc.nextInt();
        }
        for (int i = 0; i < N; i++) {
            C[i] = sc.nextInt();
        }

        int answer = 0;
        for (int i = 0; i < N; i++) {
            answer += Math.max((V[i] - C[i]), 0);
        }

        System.out.println(answer);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int[] V = new int[N]; V new int[N] N int[] C = new int[N]; C new int[N] N for (int i = 0; i < N; i++) {
            V[i] = sc.nextInt();
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            V[i] = sc.nextInt();
        } {
            V[i] = sc.nextInt();
        } V[i] = sc.nextInt() V[i] V i sc.nextInt() sc.nextInt sc for (int i = 0; i < N; i++) {
            C[i] = sc.nextInt();
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            C[i] = sc.nextInt();
        } {
            C[i] = sc.nextInt();
        } C[i] = sc.nextInt() C[i] C i sc.nextInt() sc.nextInt sc int answer = 0; answer 0 for (int i = 0; i < N; i++) {
            answer += Math.max((V[i] - C[i]), 0);
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            answer += Math.max((V[i] - C[i]), 0);
        } {
            answer += Math.max((V[i] - C[i]), 0);
        } answer += Math.max((V[i] - C[i]), 0) answer Math.max((V[i] - C[i]), 0) Math.max Math (V[i] - C[i]) V[i] V i C[i] C i 0 System.out.println(answer) System.out.println System.out System System.out answer String[] args args
import java.lang.Math;
import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int N = sc.nextInt();
        int[] V = new int[N];
        int[] C = new int[N];
        for (int i = 0; i < N; i++) {
            V[i] = sc.nextInt();
        }
        for (int i = 0; i < N; i++) {
            C[i] = sc.nextInt();
        }

        int answer = 0;
        for (int i = 0; i < N; i++) {
            answer += Math.max((V[i] - C[i]), 0);
        }

        System.out.println(answer);
    }
}
