质数环

Time Limit: 1s Memory Limit: 64MB Submissions: 31 Solved: 3 Special Judge
Description

找出一个长度为n的环A,使得A满足以下条件:

1. 对于任意整数Ai (1 <= i <= n), x <= Ai <= y

2. 任意相邻的两个数之和为质数

Input

一行三个整数n, x, y,保证有解

Output

n个用空格隔开的整数表示一个环

Sample Input
8 1 8
Sample Output
1 6 7 4 3 8 5 2
Hint

n <= 10000

1 <= x <= y <= 5000000

y  - x > n