You are given an undirected graph with N vertices and 0 edges. Process Q queries of the following types.

• 0 u v: Add an edge (u, v).
• 1 u v: Print 1 if u and v are in the same connected component, 0 otherwise.

Constraints

• $1 \leq N \leq 200,000$
• $1 \leq Q \leq 200,000$
• $0 \leq u_i, v_i \lt N$

Input

Input is given from Standard Input in the following format:

N Q
t_1 u_1 v_1
t_2 u_2 v_2
:
t_Q u_Q v_Q

出力

For each query of the latter type, print the answer.

Example

Input

4 7
1 0 1
0 0 1
0 2 3
1 0 1
1 1 2
0 0 2
1 1 3

Output

0
1
0
1

见题面

见题面