User information
| Full name | Rudnyk Roman Petrovych |  |
| Username | light | |
| Date of Birth | 19/04/1991 | |
| Team | ChNU_APM | |
| Educational Institution | Yuriy Fedkovych Chernivtsi National University, Chernivtsi, Ukraine | |
| Faculty | Прикладної математики | |
| Full name | Rudnyk Roman Petrovych | |
| Username | light | |
| Date of Birth | 19/04/1991 | |
| Team | ChNU_APM | |
| Educational Institution | Yuriy Fedkovych Chernivtsi National University, Chernivtsi, Ukraine | |
| Faculty | Прикладної математики | |