int main()
{
    int a[100];
    int b[100][1000];
    int c[100][1000];
    int i,j,k,t,n,l,w,w2;
    for (i=0;;i++)
    {
        scanf("%d",&a[i]);
        if (a[i]!=0)
        {
        for (j=0;j<a[i];j++)
            scanf ("%d",&b[i][j]);
        for (j=0;j<a[i];j++)
            scanf ("%d",&c[i][j]);
            }
            else
            {break;}
            
    }



    for (k=0;k<i;k++)                  
    {
        for (j=0;j<a[k]-1;j++) //????????????? 
            for (n=0;n<a[k]-1-j;n++)
               if (b[k][n]<b[k][n+1])
               {
                                     t=b[k][n];
                                     b[k][n]=b[k][n+1];
                                     b[k][n+1]=t;   //b????? c????? 
               }
                        
        for (j=0;j<a[k]-1;j++) //????????????? 
            for (n=0;n<a[k]-1-j;n++)
               if (c[k][n]<c[k][n+1])
               {
                                     t=c[k][n];
                                     c[k][n]=c[k][n+1];
                                     c[k][n+1]=t;   //b????? c????? 
               }
        w=0;
        l=0;
        w2=0;       
        while (w+l+w2<a[k])
        {
              if (b[k][w]>c[k][w+l])
                  w++;
              else if (b[k][w]<c[k][w+l])
                  l++;
              else if (b[k][a[k]-1-l-w2]>c[k][a[k]-1-w2])
                  w2++;
              else if (b[k][a[k]-1-l-w2]>c[k][a[k]-1-w2])
                  l++;
              else if (b[k][a[k]-1-l-w2]==c[k][w+l])
                 break;
              else l++;
        }         
        
                      printf("%d\n",(w+w2)*200-l*200);
    }
}