<prompt> Ngawo 1968 Warsaw Pact ye Czechoslovakia ro kәriwobe lan  <response>: , shi dǝ zauro kǝlzǝgǝnzǝ kǝlzǝnyi. Suro saa 1971, Ottawa, Canada ro lewono, na doni shiye kulashi ilmu isauye zamanbe nasha Carleton University lan dawarzǝna kuru shima fuwunnado ilmu algebrabe-a, probability-a, kuru statistics-a dǝga zauro sǝkǝna. 