Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Flag Name | Transliteration | Meaning | Description | International Use |
| --- | --- | --- | --- | --- |
| 1 единица | edinica | Decimal Digit 1 | White beside blue vertical swallowtail bicolor. | ICS "Alpha" |
| 2 двойка | dvojka | Decimal Digit 2 | Blue triangular pennant with white disk | ICS Number 2 |
| 3 тройка | trojka | Decimal Digit 3 | Pennant divided vertically into red/white/blue. | ICS Number 3 |
| 4 четверка | četverka | Decimal Digit 4 | Red pennant with white Scandinavian cross. | ICS Number 4 |
| 7 семерка | semërka | Decimal Digit 7 | Red/white/blue vertical triband | ICS "Tango" |
| 8 восьмёрка | vosʹmërka | Decimal Digit 8 | Red/White counterchanged quarters per cross | ICS "Uniform" |
Question:
What is the name of the flag that means decimal digit 2?
Answer:
2 двойка