import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        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 x = 0;
            int y = 0;
            
            for(int i = 0; i<n; i++){
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            }
            
            System.out.println(x-y);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        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 x = 0;
            int y = 0;
            
            for(int i = 0; i<n; i++){
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            }
            
            System.out.println(x-y);
    }
} Main public static void main(String[] args) throws Exception {
        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 x = 0;
            int y = 0;
            
            for(int i = 0; i<n; i++){
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            }
            
            System.out.println(x-y);
    } 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 x = 0;
            int y = 0;
            
            for(int i = 0; i<n; i++){
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            }
            
            System.out.println(x-y);
    } 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 x = 0; x 0 int y = 0; y 0 for(int i = 0; i<n; i++){
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            } int i = 0; int i = 0; i 0 i<n i n i++ i++ i {
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            } {
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            } if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                } v[i] - c[i] > 0 v[i] - c[i] v[i] v i c[i] c i 0 {
                    x += v[i];
                    y += c[i];
                } x += v[i] x v[i] v i y += c[i] y c[i] c i System.out.println(x-y) System.out.println System.out System System.out x-y x y String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        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 x = 0;
            int y = 0;
            
            for(int i = 0; i<n; i++){
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            }
            
            System.out.println(x-y);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        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 x = 0;
            int y = 0;
            
            for(int i = 0; i<n; i++){
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            }
            
            System.out.println(x-y);
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        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 x = 0;
            int y = 0;
            
            for(int i = 0; i<n; i++){
                if(v[i] - c[i] > 0){
                    x += v[i];
                    y += c[i];
                }
            }
            
            System.out.println(x-y);
    }
}
