help me in visual stideo 2015

[peymanhooss]

pliz help me in visual stideo 2015
what is this erors

The thread 'TppWorkerThread' (0x1be4) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0x1938) has exited with code 0 (0x0).
The thread 'Win32 Thread' (0x1be8) has exited with code 0 (0x0).
The program '[3424] Peyman1.exe: Native' has exited with code 0 (0x0).

#include <iostream>
using namespace std;
void main()
{
	int a, b, c;
	cout << "pliz enter a\n";
	cin >> a;
	cout << "pliz enter b\n";
	cin >> b;
	c = a + b;
	cout << "c is" << c;
	cin.get();
}

[coder777]

That are not errors but some debug informations when your program has exited.
This multiple thread are debugging stuff too.