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[] num = new int[N];

		for (int i = 0; i < N; i++) {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		}
		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
		}
		for (int i = 0; i < N; i++) {
			num[i] = v[i] - c[i];
		}

		int sum = 0;
		for (int i = 0; i < N; i++) {
			if (num[i] > 0) {
				sum += num[i];
			}
		}

		System.out.println(sum);
	}
} 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[] num = new int[N];

		for (int i = 0; i < N; i++) {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		}
		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
		}
		for (int i = 0; i < N; i++) {
			num[i] = v[i] - c[i];
		}

		int sum = 0;
		for (int i = 0; i < N; i++) {
			if (num[i] > 0) {
				sum += num[i];
			}
		}

		System.out.println(sum);
	}
} 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[] num = new int[N];

		for (int i = 0; i < N; i++) {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		}
		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
		}
		for (int i = 0; i < N; i++) {
			num[i] = v[i] - c[i];
		}

		int sum = 0;
		for (int i = 0; i < N; i++) {
			if (num[i] > 0) {
				sum += num[i];
			}
		}

		System.out.println(sum);
	} main {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int[] v = new int[N];
		int[] c = new int[N];
		int[] num = new int[N];

		for (int i = 0; i < N; i++) {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		}
		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
		}
		for (int i = 0; i < N; i++) {
			num[i] = v[i] - c[i];
		}

		int sum = 0;
		for (int i = 0; i < N; i++) {
			if (num[i] > 0) {
				sum += num[i];
			}
		}

		System.out.println(sum);
	} 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[] num = new int[N]; num new int[N] N for (int i = 0; i < N; i++) {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		} {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		} v[i] = sc.nextInt() v[i] v i sc.nextInt() sc.nextInt sc num[i] = v[i] - c[i] num[i] num i v[i] - c[i] v[i] v i c[i] c i 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++) {
			num[i] = v[i] - c[i];
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			num[i] = v[i] - c[i];
		} {
			num[i] = v[i] - c[i];
		} num[i] = v[i] - c[i] num[i] num i v[i] - c[i] v[i] v i c[i] c i int sum = 0; sum 0 for (int i = 0; i < N; i++) {
			if (num[i] > 0) {
				sum += num[i];
			}
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			if (num[i] > 0) {
				sum += num[i];
			}
		} {
			if (num[i] > 0) {
				sum += num[i];
			}
		} if (num[i] > 0) {
				sum += num[i];
			} num[i] > 0 num[i] num i 0 {
				sum += num[i];
			} sum += num[i] sum num[i] num i System.out.println(sum) System.out.println System.out System System.out sum 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[] num = new int[N];

		for (int i = 0; i < N; i++) {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		}
		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
		}
		for (int i = 0; i < N; i++) {
			num[i] = v[i] - c[i];
		}

		int sum = 0;
		for (int i = 0; i < N; i++) {
			if (num[i] > 0) {
				sum += num[i];
			}
		}

		System.out.println(sum);
	}
} 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[] num = new int[N];

		for (int i = 0; i < N; i++) {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		}
		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
		}
		for (int i = 0; i < N; i++) {
			num[i] = v[i] - c[i];
		}

		int sum = 0;
		for (int i = 0; i < N; i++) {
			if (num[i] > 0) {
				sum += num[i];
			}
		}

		System.out.println(sum);
	}
} 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[] num = new int[N];

		for (int i = 0; i < N; i++) {
			v[i] = sc.nextInt();
			num[i] = v[i] - c[i];
		}
		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
		}
		for (int i = 0; i < N; i++) {
			num[i] = v[i] - c[i];
		}

		int sum = 0;
		for (int i = 0; i < N; i++) {
			if (num[i] > 0) {
				sum += num[i];
			}
		}

		System.out.println(sum);
	}
}
