Problem Statement

Find the sum of the integers between $1$ and $N$ (inclusive), whose sum of digits written in base $10$ is between $A$ and $B$ (inclusive).

Constraints

• $1 \leq N \leq 10^4$
• $1 \leq A \leq B \leq 36$
• All input values are integers.

Input

Input is given from Standard Input in the following format:

N A B

Output

Print the sum of the integers between $1$ and $N$ (inclusive), whose sum of digits written in base $10$ is between $A$ and $B$ (inclusive).