 Complete the following phrase:  Jukka Kalso born 13 August 1955 is a Finnish former ski jumper. He made his World Cup debut at the Four Hills Tournament in 1982. He competed between 1982 and 1987, reaching the podium twice: he placed third in Big Thunder in 1986 and second in Garmisch-Partenkirchen in 1987. He also took part in the 