// This is a named macro. Execute in ROOT by ".L named_macro.C" then "main()"

int main(){

  std::cout << "Hello Duke REU students!" << std::endl;
  
  float x = 31.2;  // Define a floating point variable 'x' and assign its value
  float y;         // Define a floating point variable 'y' with no value assigned
  int   i =  12;   // Define an integer and assign its value.

  // Print these new variables to the screen
  std::cout << "x = " << x << std::endl;
  std::cout << "y = " << y << std::endl;
  std::cout << "i = " << i << std::endl;

  // Do some math and print the result
  y = x + i;
  std::cout << "The sum of x and i is: " << y << std::endl;
  
  return 0;
}