 Complete the following phrase:  Diachenko appeared in her first senior international competition at the Miss Valentine Cup finishing 4th in the all-around. On March 1719, Diachenko competed at the Kiev Grand Prix finishing 7th in the all-around. Her next competition was at Thiais Grand Prix where she finished 11th in the all-around. On March 31 - April 2, Diacehnko then competed at the 2017 Grand Prix Marbella finishing 11th in the all-around and qualified to 2 apparatus final. Diachenko appeared in her first World Cup event at the 2017 Pesaro World Cup where she finished 19th in the all-around. She then competed at the 2017 Tashkent World Cup finishing 14th in the all-around and qualified to the ball final. Her next competition was at the 2017 Baku World Cup where she finished 10th in the all-around. On May 1921, Diachenko along with teammates Viktoria Mazur and Yeva Meleshchuk represented the individual seniors for Ukraine at the 