What is wrong with my code???

#include <Windows.h>
#include <iostream>

class LocalPlayer
{
public:
	DWORD                      Pid;
	DWORD       PAmmo = 0x02370FDC;
	DWORD       SAmmo = 0x02370FD8;
	int                      PData;
	int                      SData;
	int                     NPData;
	int                     NSData;
	void ReadP()
	{
		HWND HWnd = FindWindowA(0, ("Call of Duty®: Black Ops II"));
		GetWindowThreadProcessId(HWnd, &Pid);
		HANDLE handle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, Pid);
		ReadProcessMemory(handle, (LPCVOID)PAmmo, &PData, sizeof(PData), 0);
	}
	void WriteP()
	{
		NPData = PData += 1000;
		HWND HWnd = FindWindowA(0, ("Call of Duty®: Black Ops II"));
		GetWindowThreadProcessId(HWnd, &Pid);
		HANDLE handle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, Pid);
		WriteProcessMemory(handle, (LPVOID)PAmmo, &NPData, sizeof(NPData), 0);
	}
	void ReadS()
	{
		HWND HWnd = FindWindowA(0, ("Call of Duty®: Black Ops II"));
		GetWindowThreadProcessId(HWnd, &Pid);
		HANDLE handle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, Pid);
		ReadProcessMemory(handle, (LPCVOID)SAmmo, &SData, sizeof(SData), 0);
	}
	void WriteS()
	{
		NSData = SData += 1000;
		HWND HWnd = FindWindowA(0, ("Call of Duty®: Black Ops II"));
		GetWindowThreadProcessId(HWnd, &Pid);
		HANDLE handle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, Pid);
		WriteProcessMemory(handle, (LPVOID)SAmmo, &NSData, sizeof(NSData), 0);
	}
}; LocalPlayer localPlayer;
int main()
{
	while (true)
	{
		Sleep(1);
		localPlayer.ReadP();
		localPlayer.ReadS();
		if (localPlayer.PData < 3)
		{
			localPlayer.WriteP();
		} else 
		if (localPlayer.SData < 3)
		{
			localPlayer.WriteS();
		}
	}
	return 0;
}