DebugNumbers.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class DebugNumbers : MonoBehaviour
{
    Text _polarNum;
    Text _antNum;

    void Awake ()
    {
        _polarNum = transform.FindChild("polar_num").GetComponent<Text>();
        _antNum = transform.FindChild("ant_num").GetComponent<Text>();
    }
    
    void Update ()
    {
        _polarNum.text = Heart.PolarHR.ToString("N0");
        _antNum.text = Heart.FireAntHR.ToString("N0");
    }
}