In order to find your ID, please follow these steps:
1. Open the game.
2. Go to the settings (right bottom corner of the screen)
3. At the left bottom corner you will see your PM ID of the form "pm123456"
If your account is banned you need to write your ID that is displayed on loading screen. If you do not have access to the game while submitting a ticket in "Your ID or coordinates" field just enter your coordinates as "X:0; Y:0"