#include <iostream>
using namespace std;
#include <unistd.h>
#include <signal.h>

void myHandler(int signalNum) {
  cout << "OUCH!!!" << endl;
}

int main() {
  signal( SIGINT, myHandler );
  //  signal( SIGQUIT, SIG_IGN );
  signal( SIGQUIT, myHandler );

  cout << "You can't stop me!" << endl;
  while (true) {
    sleep(1);
    cout << "Haha!!!" << endl;
  }
}