import java.util.*;
 
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 3
		// 10 2 5
		// 6 3 4
		int n = sc.nextInt();
		int[] v = new int[n];
		int[] c = new int[n];
		int[] net = 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();
			net[i] = v[i] - c[i];
		}
		Arrays.sort(net);
		int ans = 0;
		for (int i = 0; i < n; i++) {
			if (net[i] > 0) {
				ans += net[i];
			}
		}
		System.out.println(ans);
	}
}

 
 

 
 
 
  import java.util.*; util.* java public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 3
		// 10 2 5
		// 6 3 4
		int n = sc.nextInt();
		int[] v = new int[n];
		int[] c = new int[n];
		int[] net = 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();
			net[i] = v[i] - c[i];
		}
		Arrays.sort(net);
		int ans = 0;
		for (int i = 0; i < n; i++) {
			if (net[i] > 0) {
				ans += net[i];
			}
		}
		System.out.println(ans);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 3
		// 10 2 5
		// 6 3 4
		int n = sc.nextInt();
		int[] v = new int[n];
		int[] c = new int[n];
		int[] net = 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();
			net[i] = v[i] - c[i];
		}
		Arrays.sort(net);
		int ans = 0;
		for (int i = 0; i < n; i++) {
			if (net[i] > 0) {
				ans += net[i];
			}
		}
		System.out.println(ans);
	} main {
		Scanner sc = new Scanner(System.in);
		// 3
		// 10 2 5
		// 6 3 4
		int n = sc.nextInt();
		int[] v = new int[n];
		int[] c = new int[n];
		int[] net = 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();
			net[i] = v[i] - c[i];
		}
		Arrays.sort(net);
		int ans = 0;
		for (int i = 0; i < n; i++) {
			if (net[i] > 0) {
				ans += net[i];
			}
		}
		System.out.println(ans);
	} 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[] net = new int[n]; net 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();
			net[i] = v[i] - c[i];
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			c[i] = sc.nextInt();
			net[i] = v[i] - c[i];
		} {
			c[i] = sc.nextInt();
			net[i] = v[i] - c[i];
		} c[i] = sc.nextInt() c[i] c i sc.nextInt() sc.nextInt sc net[i] = v[i] - c[i] net[i] net i v[i] - c[i] v[i] v i c[i] c i Arrays.sort(net) Arrays.sort Arrays net int ans = 0; ans 0 for (int i = 0; i < n; i++) {
			if (net[i] > 0) {
				ans += net[i];
			}
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
			if (net[i] > 0) {
				ans += net[i];
			}
		} {
			if (net[i] > 0) {
				ans += net[i];
			}
		} if (net[i] > 0) {
				ans += net[i];
			} net[i] > 0 net[i] net i 0 {
				ans += net[i];
			} ans += net[i] ans net[i] net i System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 3
		// 10 2 5
		// 6 3 4
		int n = sc.nextInt();
		int[] v = new int[n];
		int[] c = new int[n];
		int[] net = 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();
			net[i] = v[i] - c[i];
		}
		Arrays.sort(net);
		int ans = 0;
		for (int i = 0; i < n; i++) {
			if (net[i] > 0) {
				ans += net[i];
			}
		}
		System.out.println(ans);
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 3
		// 10 2 5
		// 6 3 4
		int n = sc.nextInt();
		int[] v = new int[n];
		int[] c = new int[n];
		int[] net = 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();
			net[i] = v[i] - c[i];
		}
		Arrays.sort(net);
		int ans = 0;
		for (int i = 0; i < n; i++) {
			if (net[i] > 0) {
				ans += net[i];
			}
		}
		System.out.println(ans);
	}
} Main
import java.util.*;
 
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 3
		// 10 2 5
		// 6 3 4
		int n = sc.nextInt();
		int[] v = new int[n];
		int[] c = new int[n];
		int[] net = 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();
			net[i] = v[i] - c[i];
		}
		Arrays.sort(net);
		int ans = 0;
		for (int i = 0; i < n; i++) {
			if (net[i] > 0) {
				ans += net[i];
			}
		}
		System.out.println(ans);
	}
}

 
 

 
 
 
 
