S4 League Dmg Hack Problem

#include <windows.h>
#include <iostream>

using namespace std;

int main()
{
HWND hwnd;
DWORD Id;
HANDLE ProcessHandle;
float value;
float value2;
float a;
float b;
unsigned adress = 0xD57BC0;
unsigned adress2 = 0xD57BC4;
hwnd = FindWindow(0,L"S4 Client");

if(!hwnd)
{
cout << "S4 League not found !" << endl;
}
else
{
cout << "S4 League found !" << endl;
cout << "Windowhandle: " << hwnd << endl;

GetWindowThreadProcessId(hwnd,&Id);

cout << "Process Id: " << Id << endl;

ProcessHandle = OpenProcess(PROCESS_ALL_ACCESS ,FALSE,Id);

if(!ProcessHandle)
{
int errorcode = 0;
errorcode = GetLastError();
cout << "wasnt able to get Proccess Acces, errorcode: "
<< errorcode << '\n';
}

else
{
cout << "ProcessHandle: " << ProcessHandle << endl;

ReadProcessMemory(ProcessHandle, (void*)adress, &value, 4, NULL);
ReadProcessMemory(ProcessHandle, (void*)adress2, &value2, 4, NULL);

cout << "How much points to add? " << endl;

cin >> a;
cin >> b;
a += value;
b += value2;

WriteProcessMemory(ProcessHandle,(LPVOID)adress,&a ,sizeof(float),NULL);
WriteProcessMemory(ProcessHandle,(LPVOID)adress2,& b,sizeof(float),NULL);

cout << "Points added " << endl;

cin.get();

}

}




}