First you can play with one of the 4 heroes. Each hero has its own skill and weaknesses.
Previously to a jump, press 5 when the gauge is at the maximum to reach maximum speed while jumping.
Now maintain the skier on the track to ensure a good jump.
Now jump and select the 1st figure to do.
The follow the digits on the screen, press 5 to continue the figure
And now 2 to finish it. Afterwards, you can either do an extra figure or wait until you land on the floor.