import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

  public static void main(String[] args) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    int target = Integer.parseInt(br.readLine());

    int count = 0;
    for (int i = 1; i <= 500; i++) {
      for (int j = i + 1; j <= 500; j++) {
        if (j * j == (i * i) + target) {
          count++;
        }
      }
    }
    System.out.println(count);
  }

}