#include <string>
#include <vector>
#include <cmath>
#include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;

class BearNSWE {
  public:
    double totalDistance(vector <int> a, string dir);
};

double BearNSWE::totalDistance(vector <int> a, string dir)
{
  return 0;
}