1. A number is called good if it has no identical digits and is divisible by the sum of its digits. Come up with at least two good two-digit numbers that remain good after increasing each of their digits by 1.
# Solution:

For example, the number 10 (it is divisible by $1+0$, and the number 21 is divisible by $2+1$) and the number 70 (it is divisible by $7+0$, and the number 81 is divisible by $8+1$).

## Criteria:

One good number found - 3 points, two numbers - 7 points.