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];


    	   for(int i=0; i<N; i++) {
    		   V[i] = sc.nextInt();
    	   }

    	   for(int i=0; i<N; i++) {
    		   C[i] = sc.nextInt();
    	   }

    	   int space = 1;

    	   for(int i = 1; i<=N; i++) {
    		   space =space*2;

    	   }

           int XY[] =new int[N];

           for (int i=0; i<N; i++) {
        	   XY[i] = V[i] -C[i];
           }
           int answer = 0;
           for(int i=0; i<N; i++) {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           }
    	   System.out.print(answer);
}
} 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];


    	   for(int i=0; i<N; i++) {
    		   V[i] = sc.nextInt();
    	   }

    	   for(int i=0; i<N; i++) {
    		   C[i] = sc.nextInt();
    	   }

    	   int space = 1;

    	   for(int i = 1; i<=N; i++) {
    		   space =space*2;

    	   }

           int XY[] =new int[N];

           for (int i=0; i<N; i++) {
        	   XY[i] = V[i] -C[i];
           }
           int answer = 0;
           for(int i=0; i<N; i++) {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           }
    	   System.out.print(answer);
}
} 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];


    	   for(int i=0; i<N; i++) {
    		   V[i] = sc.nextInt();
    	   }

    	   for(int i=0; i<N; i++) {
    		   C[i] = sc.nextInt();
    	   }

    	   int space = 1;

    	   for(int i = 1; i<=N; i++) {
    		   space =space*2;

    	   }

           int XY[] =new int[N];

           for (int i=0; i<N; i++) {
        	   XY[i] = V[i] -C[i];
           }
           int answer = 0;
           for(int i=0; i<N; i++) {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           }
    	   System.out.print(answer);
} 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();
    	   }

    	   int space = 1;

    	   for(int i = 1; i<=N; i++) {
    		   space =space*2;

    	   }

           int XY[] =new int[N];

           for (int i=0; i<N; i++) {
        	   XY[i] = V[i] -C[i];
           }
           int answer = 0;
           for(int i=0; i<N; i++) {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           }
    	   System.out.print(answer);
} 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 int space = 1; space 1 for(int i = 1; i<=N; i++) {
    		   space =space*2;

    	   } int i = 1; int i = 1; i 1 i<=N i N i++ i++ i {
    		   space =space*2;

    	   } {
    		   space =space*2;

    	   } space =space*2 space space*2 space 2 int XY[] =new int[N]; XY new int[N] N for (int i=0; i<N; i++) {
        	   XY[i] = V[i] -C[i];
           } int i=0; int i=0; i 0 i<N i N i++ i++ i {
        	   XY[i] = V[i] -C[i];
           } {
        	   XY[i] = V[i] -C[i];
           } XY[i] = V[i] -C[i] XY[i] XY i V[i] -C[i] V[i] V i C[i] C i int answer = 0; answer 0 for(int i=0; i<N; i++) {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           } int i=0; int i=0; i 0 i<N i N i++ i++ i {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           } {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           } if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   } XY[i]>0 XY[i] XY i 0 {
        		   answer = answer + XY[i];
        	   } answer = answer + XY[i] answer answer + XY[i] answer XY[i] XY i System.out.print(answer) System.out.print System.out System System.out answer 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];


    	   for(int i=0; i<N; i++) {
    		   V[i] = sc.nextInt();
    	   }

    	   for(int i=0; i<N; i++) {
    		   C[i] = sc.nextInt();
    	   }

    	   int space = 1;

    	   for(int i = 1; i<=N; i++) {
    		   space =space*2;

    	   }

           int XY[] =new int[N];

           for (int i=0; i<N; i++) {
        	   XY[i] = V[i] -C[i];
           }
           int answer = 0;
           for(int i=0; i<N; i++) {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           }
    	   System.out.print(answer);
}
} 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];


    	   for(int i=0; i<N; i++) {
    		   V[i] = sc.nextInt();
    	   }

    	   for(int i=0; i<N; i++) {
    		   C[i] = sc.nextInt();
    	   }

    	   int space = 1;

    	   for(int i = 1; i<=N; i++) {
    		   space =space*2;

    	   }

           int XY[] =new int[N];

           for (int i=0; i<N; i++) {
        	   XY[i] = V[i] -C[i];
           }
           int answer = 0;
           for(int i=0; i<N; i++) {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           }
    	   System.out.print(answer);
}
} 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];


    	   for(int i=0; i<N; i++) {
    		   V[i] = sc.nextInt();
    	   }

    	   for(int i=0; i<N; i++) {
    		   C[i] = sc.nextInt();
    	   }

    	   int space = 1;

    	   for(int i = 1; i<=N; i++) {
    		   space =space*2;

    	   }

           int XY[] =new int[N];

           for (int i=0; i<N; i++) {
        	   XY[i] = V[i] -C[i];
           }
           int answer = 0;
           for(int i=0; i<N; i++) {
        	   if(XY[i]>0) {
        		   answer = answer + XY[i];
        	   }

           }
    	   System.out.print(answer);
}
}
