#include <bits/stdc++.h>
using namespace std;
long long Deci(int arr[], int base, int n) {
  long long power = 1;
  long long num = 0;
  for (int i = n - 1; i >= 0; i--) {
    num += arr[i] * power;
    power = power * base;
  }
  return num;
}
int main() {
  int n, m, x, y;
  cin >> n >> x;
  int arr[n + 3];
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
  }
  cin >> m >> y;
  int brr[m + 3];
  for (int i = 0; i < m; i++) {
    cin >> brr[i];
  }
  long long X = Deci(arr, x, n);
  long long Y = Deci(brr, y, m);
  if (X < Y)
    cout << "<\n";
  else if (X > Y)
    cout << ">\n";
  else
    cout << "=\n";
}
