Question 21
The year 2022 is an interesting year because it contains only digits 2 and 0. How many years later will be the next interesting year?
Enter a whole number without units. The original answer sheet uses four digits with leading zeros (for example, 7 as 0007); leading zeros are optional here.
Enter a whole number without units. The original answer sheet uses four digits with leading zeros (for example, 7 as 0007); leading zeros are optional here.