Geek technical challenge is an engineer of spontaneous organization by the tencent company a technical game, because his son a birthday, he doesn't know the gifts, so he sent a code topic...

In his vision, with the little one slowly grew up, one day, when he can solve all questions, attend to this letter, and his gift from my parents,

Eva engineer, yes, the pit is me,

So, so a letter after code encryption, and became the topic, successfully solve all questions can get tencent company to apply for the green channel, the top has more cash rewards and exquisite gift,
Sweep the code involved in: