Antarctic Escape

An unusual penguin, 'Penpen' is very sensitive to cold. He has explored all around The Antarctic to find a warm place, but he hasn't found yet. One day, 'Penpen' heard about the tropics. He really wants to go to the tropics, but the Antarctic sea is too cold to swim with him. Finally, he decided to skip across the suce of the Antarctic sea. Help 'Penpen' escape the Antarctic!