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题目描述

I have a very simple problem for you. Given a positive integeter $\ (1 \leq n \leq 1000000)$ (1≤n≤1000000) and a prime number $\ (2 \leq p \leq 1000000)$ (2≤p≤1000000), your job is to output a positive number which is divisible by and has exactly digits. Please output "T_T" if you can not find such number.

输入格式

The first line of the input file contains two integers $\ (1 \leq n \leq 1000000)$ (1≤n≤1000000) and $\ (2 \leq p \leq 1000000)$ (2≤p≤1000000). is a prime number.

输出格式

Output one number (without leading zeros) or "T_T"

样例

样例输入 1

2 5

样例输出 1

10

样例解释 1

QaQ

样例输入 2

1 11

样例输出 2

T_T

样例解释 2

QwQ