#include <iostream>

using namespace std;

int main( int argc, char* argv[ ] )
{
  char a = 'A';
  char b = 'B';
  char buffer[4];
  char c = 'C';
  char d = 'D';

  cout << "Enter up to 4 characters now: " << endl;
  cin >> buffer;
  cout << endl;  

  cout << "buff = " << buffer << endl;
  cout << "a = " << a << endl;
  cout << "b = " << b << endl;
  cout << "c = " << c << endl;
  cout << "d = " << d << endl;

  return 0;
}