/*
TASK:round
LANG:C
*/
#include<stdio.h>
int main()
{
  long n;
  long a[2001],b[2001];
  scanf("%ld",&n);
  long i,j;
  for(i=1;i<=n;i++)
    scanf("%ld",&a[i]);
  for(i=1;i<=n;i++)
    scanf("%ld",&b[i]);
  printf("%ld\n",n);
  return 0;
}
