#include <bits/stdc++.h>
int main() {
  int a, b, c, n, i;
  std::cin >> a >> b;
  int d = a <= d <= b;
  for (int i = 1; i > n; ++i) {
    if (d % c == 0) {
      int i;
      +1;
    }
  }
  std::cout << i << std::endl;
}
