int main()
{   
	int n,s,i,j,sub=0,sum=0;
	int tfast,tslow,wfast,wslow;  
	int t[1000],w[1000];
  while(scanf("%d",&n)&&(n!=0))
  {     
	  for(i=0;i<n;i++)
		  scanf("%d",&t[i]);
	  for(i=0;i<n;i++)
		  scanf("%d",&w[i]);
		for(i=0;i<n-1;i++)
			for(j=0;j<n-1-i;j++)
            if(t[j]<t[j+1])
			{s=t[j];t[j]=t[j+1];t[j+1]=s;}
        for(i=0;i<n-1;i++)
			for(j=0;j<n-1-i;j++)
			if(w[j]<w[j+1])
			{s=w[j];w[j]=w[j+1];w[j+1]=s;}  
 
     tfast=0;tslow=n-1;
     wfast=0;wslow=n-1;   
     
    for(i=0;i<n;i++)         
	{
	    if(t[tfast]==w[wfast])  
		{
		   if(t[tslow]>w[wslow]){sub++;tslow--;wslow--;}
		   else if(t[tslow]<w[wslow]){sub--;tslow--;wfast++;}
           else if(t[tslow]==w[wslow])
		   {
			   if(t[tslow]<w[wfast]){sub--;tslow--;wfast++;}
               else if(t[tslow]==w[wfast]){break;}
		   }
		}
        else if(t[tfast]>w[wfast])     
		{sub++;tfast++;wfast++;}
		else    {sub--;tslow--;wfast++;} 
	}
   sum=sub*200;
   printf("%d\n",sum);
   sub=0;sum=0;
  }
} 
