Exercise for a Free Ride

In honour of the upcoming 2014 Winter Olympics in Sochi, the city of Moscow is encouraging their community to get more physically active.
At the Moscow metro station, subway riders have been given the opportunity to pay for a free ride, in exchange for doing 30 squats.

An interactive kiosk with motion sensor is able to interpret the users motion and provide a countdown down, as 30 squats will save them 30 rubles (about 96 cents).

I’ve yet to find an English version, but you get the gist: