text: function callcc(f) {
  	var k = new Continuation();
  	return f(k);
  }
  
  var cont;
  function test(a) {
  	cont = a;
  	return 'First execution';
  }
  
  var newTest = callcc(test);
  if (newTest === 'First execution') {
  	cont(1);
  } else if (newTest === 1) {
  	print('El resultat es correcte.');
  } else {
  	print('El call/cc no funciona')
  }
  