import java.util.Scanner;

public 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];
        int[] P = new int [N];
        int t = 0;

        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++){
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        }

        System.out.print(t);
        sc.close();
    }
} 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[] V = new int [N];
        int[] C = new int [N];
        int[] P = new int [N];
        int t = 0;

        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++){
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        }

        System.out.print(t);
        sc.close();
    }
} 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];
        int[] P = new int [N];
        int t = 0;

        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++){
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        }

        System.out.print(t);
        sc.close();
    } main {

        Scanner sc = new Scanner(System.in);

        int N = sc.nextInt();
        int[] V = new int [N];
        int[] C = new int [N];
        int[] P = new int [N];
        int t = 0;

        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++){
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        }

        System.out.print(t);
        sc.close();
    } 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 int[] P = new int [N]; P new int [N] N int t = 0; t 0 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++){
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        } int i=0; int i=0; i 0 i<N i N i++ i++ i {
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        } {
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        } P[i] = V[i]-C[i] P[i] P i V[i]-C[i] V[i] V i C[i] C i if(P[i]>0) {
            	t+=P[i];
            } P[i]>0 P[i] P i 0 {
            	t+=P[i];
            } t+=P[i] t P[i] P i System.out.print(t) System.out.print System.out System System.out t sc.close() sc.close sc String[]args args public 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];
        int[] P = new int [N];
        int t = 0;

        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++){
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        }

        System.out.print(t);
        sc.close();
    }
} public 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];
        int[] P = new int [N];
        int t = 0;

        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++){
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        }

        System.out.print(t);
        sc.close();
    }
} 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[] V = new int [N];
        int[] C = new int [N];
        int[] P = new int [N];
        int t = 0;

        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++){
            P[i] = V[i]-C[i];
        
            if(P[i]>0) {
            	t+=P[i];
            }
        }

        System.out.print(t);
        sc.close();
    }
}