void doSomething(){

  //Begin sequence structure
  int temp = 0;
  cout << "Enter an integer, 1-3 inclusive: ";
  cin >> temp;
  //End sequence structure

  //Begin nested selection structures
  if(temp == 1){
    cout << "Thanks for the 1" << endl;
  }else 
    if(temp == 2){
      cout << "Thanks for the 2" << endl;
    }else 
      if(temp == 3){
        cout << "Thanks for the 3" << endl;
      }else{
        cout << "Invalid input" << endl;
      }//end else
  //End selection structure

}//end doSomething function

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