import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

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

        List<Integer> values = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            values.add(sc.nextInt());
        }

        List<Integer> costs = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            costs.add(sc.nextInt());
        }

        int max = 0;
        for (int i = 0; i < N; i++) {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        }

        System.out.println(max);
    }
} import java.util.ArrayList; ArrayList java.util import java.util.List; List java.util 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();

        List<Integer> values = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            values.add(sc.nextInt());
        }

        List<Integer> costs = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            costs.add(sc.nextInt());
        }

        int max = 0;
        for (int i = 0; i < N; i++) {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        }

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

        List<Integer> values = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            values.add(sc.nextInt());
        }

        List<Integer> costs = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            costs.add(sc.nextInt());
        }

        int max = 0;
        for (int i = 0; i < N; i++) {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        }

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

        List<Integer> values = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            values.add(sc.nextInt());
        }

        List<Integer> costs = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            costs.add(sc.nextInt());
        }

        int max = 0;
        for (int i = 0; i < N; i++) {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        }

        System.out.println(max);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc List<Integer> values = new ArrayList<Integer>(); values new ArrayList<Integer>() for (int i = 0; i < N; i++) {
            values.add(sc.nextInt());
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            values.add(sc.nextInt());
        } {
            values.add(sc.nextInt());
        } values.add(sc.nextInt()) values.add values sc.nextInt() sc.nextInt sc List<Integer> costs = new ArrayList<Integer>(); costs new ArrayList<Integer>() for (int i = 0; i < N; i++) {
            costs.add(sc.nextInt());
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            costs.add(sc.nextInt());
        } {
            costs.add(sc.nextInt());
        } costs.add(sc.nextInt()) costs.add costs sc.nextInt() sc.nextInt sc int max = 0; max 0 for (int i = 0; i < N; i++) {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        } {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        } int profit = values.get(i) - costs.get(i); profit values.get(i) - costs.get(i) values.get(i) values.get values i costs.get(i) costs.get costs i if (profit > 0) {
                max += profit;
            } profit > 0 profit 0 {
                max += profit;
            } max += profit max profit System.out.println(max) System.out.println System.out System System.out max String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();

        List<Integer> values = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            values.add(sc.nextInt());
        }

        List<Integer> costs = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            costs.add(sc.nextInt());
        }

        int max = 0;
        for (int i = 0; i < N; i++) {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        }

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

        List<Integer> values = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            values.add(sc.nextInt());
        }

        List<Integer> costs = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            costs.add(sc.nextInt());
        }

        int max = 0;
        for (int i = 0; i < N; i++) {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        }

        System.out.println(max);
    }
} Main
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

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

        List<Integer> values = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            values.add(sc.nextInt());
        }

        List<Integer> costs = new ArrayList<Integer>();
        for (int i = 0; i < N; i++) {
            costs.add(sc.nextInt());
        }

        int max = 0;
        for (int i = 0; i < N; i++) {
            int profit = values.get(i) - costs.get(i);
            if (profit > 0) {
                max += profit;
            }
        }

        System.out.println(max);
    }
}