import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int val = 0;
        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();
        }

        for (int i = 0; i < N; i++) {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        }


        System.out.println(val);
    }

} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int val = 0;
        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();
        }

        for (int i = 0; i < N; i++) {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        }


        System.out.println(val);
    }

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

        int val = 0;
        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();
        }

        for (int i = 0; i < N; i++) {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        }


        System.out.println(val);
    } main {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int val = 0;
        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();
        }

        for (int i = 0; i < N; i++) {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        }


        System.out.println(val);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int val = 0; val 0 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 for (int i = 0; i < N; i++) {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        } {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        } int v = V[i]-C[i]; v V[i]-C[i] V[i] V i C[i] C i if(v > 0 ){
                val += v;
            } v > 0 v 0 {
                val += v;
            } val += v val v System.out.println(val) System.out.println System.out System System.out val String[] args args public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int val = 0;
        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();
        }

        for (int i = 0; i < N; i++) {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        }


        System.out.println(val);
    }

} public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int val = 0;
        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();
        }

        for (int i = 0; i < N; i++) {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        }


        System.out.println(val);
    }

} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        int val = 0;
        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();
        }

        for (int i = 0; i < N; i++) {
            int v = V[i]-C[i];
            if(v > 0 ){
                val += v;
            }
        }


        System.out.println(val);
    }

}