Help with parsing error!

i can’t find it, please help!

using UnityEngine;
using System.Collections;

public class static IncreaseExpierence {

private static int xpToGive;

public static void AddExpierence(){
    xpToGive = GameInformation.PlayerLevel * 100;
    GameInformation.CurrentXP += xpToGive;
    CheckToSeeIfPlayerLeveled();
    Debug.Log(xpToGive);

}

public static void AddExperienceFromLoss(){
    xpToGive = GameInformation.PlayerLevel * 10;
    GameInformation.CurrentXP += xpToGive;
    CheckToSeeIfPlayerLeveled();
    Debug.Log(xpToGive);
}

private void CheckToSeeIfPlayerLeveled(){
    if (GameInformation.CurrentXP >= GameInformation.RequiredXP){

    }

}

}

should be : public static class IncreaseExpierence