 Complete the following phrase:  Viktor Leonidovich Demyanenko  born August 26, 1958 in Alma-Ata, Kazakh SSR is a retired boxer, who represented the USSR at the 1980 Summer Olympics in Moscow, Soviet Union. There he won the silver medal in the lightweight division  60 kg, after being defeated in the final by Cubas Ángel Herrera. Demyanenko trained at Dynamo in Alma-Ata. He won gold at the 