import java.util.*;
import static java.lang.Math.*;
import java.math.BigInteger;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int[] v = new int[n];
		for(int i = 0; i < n; i++){
		    v[i] = sc.nextInt();
		}
		for(int i = 0; i < n; i++){
		    v[i] -= sc.nextInt();
		}
		// 計算
		int result = 0;
		for(int i = 0; i < n; i++){
		    result += max(0, v[i]);
		}
		// 出力
        System.out.println(result);
	}
} import java.util.*; util.* java import static java.lang.Math.*; import static java.lang.Math.*; import static java.lang.Math.*; import java.math.BigInteger; BigInteger java.math public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int[] v = new int[n];
		for(int i = 0; i < n; i++){
		    v[i] = sc.nextInt();
		}
		for(int i = 0; i < n; i++){
		    v[i] -= sc.nextInt();
		}
		// 計算
		int result = 0;
		for(int i = 0; i < n; i++){
		    result += max(0, v[i]);
		}
		// 出力
        System.out.println(result);
	}
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int[] v = new int[n];
		for(int i = 0; i < n; i++){
		    v[i] = sc.nextInt();
		}
		for(int i = 0; i < n; i++){
		    v[i] -= sc.nextInt();
		}
		// 計算
		int result = 0;
		for(int i = 0; i < n; i++){
		    result += max(0, v[i]);
		}
		// 出力
        System.out.println(result);
	} main {
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int[] v = new int[n];
		for(int i = 0; i < n; i++){
		    v[i] = sc.nextInt();
		}
		for(int i = 0; i < n; i++){
		    v[i] -= sc.nextInt();
		}
		// 計算
		int result = 0;
		for(int i = 0; i < n; i++){
		    result += max(0, v[i]);
		}
		// 出力
        System.out.println(result);
	} 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 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++){
		    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 int result = 0; result 0 for(int i = 0; i < n; i++){
		    result += max(0, v[i]);
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
		    result += max(0, v[i]);
		} {
		    result += max(0, v[i]);
		} result += max(0, v[i]) result max(0, v[i]) max 0 v[i] v i System.out.println(result) System.out.println System.out System System.out result String[] args args public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int[] v = new int[n];
		for(int i = 0; i < n; i++){
		    v[i] = sc.nextInt();
		}
		for(int i = 0; i < n; i++){
		    v[i] -= sc.nextInt();
		}
		// 計算
		int result = 0;
		for(int i = 0; i < n; i++){
		    result += max(0, v[i]);
		}
		// 出力
        System.out.println(result);
	}
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int[] v = new int[n];
		for(int i = 0; i < n; i++){
		    v[i] = sc.nextInt();
		}
		for(int i = 0; i < n; i++){
		    v[i] -= sc.nextInt();
		}
		// 計算
		int result = 0;
		for(int i = 0; i < n; i++){
		    result += max(0, v[i]);
		}
		// 出力
        System.out.println(result);
	}
} Main
import java.util.*;
import static java.lang.Math.*;
import java.math.BigInteger;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int[] v = new int[n];
		for(int i = 0; i < n; i++){
		    v[i] = sc.nextInt();
		}
		for(int i = 0; i < n; i++){
		    v[i] -= sc.nextInt();
		}
		// 計算
		int result = 0;
		for(int i = 0; i < n; i++){
		    result += max(0, v[i]);
		}
		// 出力
        System.out.println(result);
	}
}