Almost everyone has all sorts of devices and gadgets, and those who have not yet got them, really want this and are quietly jealous. Our hero in the game Pucamuc named Pak is eager to have an iPhone and is even ready to donate his blood for this. Help him not to go broke in his health and complete the mission with a positive result. The hero does not know how to walk like everyone else, but he can jump, so the movement will be done with the help of jumps. Calculate the power of the jerk so that the hero is not impaled on sharp thorns, which will be quite a lot in Pucamuc.