import java.util.Scanner;

public class Main {

	public static void main(final 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();
		}
		sc.close();
		int x = 0, y = 0;
		for(int i = 0; i < N; i++) {
			if(V[i] > C[i]) {
				x += V[i];
				y += C[i];
			}
		}
		System.out.println(x - y);
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(final 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();
		}
		sc.close();
		int x = 0, y = 0;
		for(int i = 0; i < N; i++) {
			if(V[i] > C[i]) {
				x += V[i];
				y += C[i];
			}
		}
		System.out.println(x - y);
	}
} Main public static void main(final 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();
		}
		sc.close();
		int x = 0, y = 0;
		for(int i = 0; i < N; i++) {
			if(V[i] > C[i]) {
				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();
		}
		sc.close();
		int x = 0, y = 0;
		for(int i = 0; i < N; i++) {
			if(V[i] > C[i]) {
				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 sc.close() sc.close sc int x = 0 x 0 y = 0; y 0 for(int i = 0; i < N; i++) {
			if(V[i] > C[i]) {
				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]) {
				x += V[i];
				y += C[i];
			}
		} {
			if(V[i] > C[i]) {
				x += V[i];
				y += C[i];
			}
		} if(V[i] > C[i]) {
				x += V[i];
				y += C[i];
			} V[i] > C[i] V[i] V i C[i] C i {
				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 final String[] args args public class Main {

	public static void main(final 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();
		}
		sc.close();
		int x = 0, y = 0;
		for(int i = 0; i < N; i++) {
			if(V[i] > C[i]) {
				x += V[i];
				y += C[i];
			}
		}
		System.out.println(x - y);
	}
} public class Main {

	public static void main(final 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();
		}
		sc.close();
		int x = 0, y = 0;
		for(int i = 0; i < N; i++) {
			if(V[i] > C[i]) {
				x += V[i];
				y += C[i];
			}
		}
		System.out.println(x - y);
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(final 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();
		}
		sc.close();
		int x = 0, y = 0;
		for(int i = 0; i < N; i++) {
			if(V[i] > C[i]) {
				x += V[i];
				y += C[i];
			}
		}
		System.out.println(x - y);
	}
}