Variables et fonctions

using UnityEngine;
using System.Collections;

public class VariablesAndFunctions : MonoBehaviour {
  
  private int argent = 10;

  // Use this for initialization
  void Start () {
    Debug.Log(argent);
    gagnerDix();
    Debug.Log(argent);
    argent = multiplication2(argent);
    Debug.Log(argent);
    argent = multiplication2(argent);
    Debug.Log(argent);
  }
  
  void gagnerDix()
  {
    argent = argent + 10;
  }
  
  int multiplication2(int nb)
  {
    int res;
    res = nb * 2;
    return res;
  }
}