pragma solidity ^0.4.4;

  contract People {

    Person[] public people;

    struct Person {
      bytes32 firstName;
      bytes32 lastName;
      uint age;

    }
    function addPerson(bytes32 _firstName, bytes32 _lastName, uint _age) returns (bool success) {

      Person memory newPerson;
      newPerson.firstName = _firstName;
      newPerson.lastName = _lastName;
      newPerson.age = _age;

      people.push(newPerson);
      return true;
    }
    function getPeople() constant returns (bytes32[], bytes32[],uint[]) {

      uint length = people.length;

      bytes32[] memory firstNames = new bytes32[](length);
      bytes32[] memory lastNames = new bytes32[](length);
      uint[] memory ages = new uint[](length);

      for(uint i=0; i < people.length; i++) {
        Person memory currentPerson;
        currentPerson = people[i];

        firstNames[i] = currentPerson.firstName;
        lastNames[i] = currentPerson.lastName;
        ages[i] = currentPerson.age;
      }
      return (firstNames, lastNames, ages);

    }

  }