Crosses and Crosses

Time Limit: 3000ms
Memory Limit: 65536KB
This problem will be judged on PKU. Original ID: 3537
64-bit integer IO format: %lld      Java class name: Main

Description

The game of Crosses and Crosses is played on the field of 1 × n cells. Two players make moves in turn. Each move the player selects any free cell on the field and puts a cross ‘×’ to it. If after the player’s move there are three crosses in a row, he wins.

You are given n. Find out who wins if both players play optimally.

Input

Input file contains one integer number n (3 ≤ n ≤ 2000).

Output

Output ‘1’ if the first player wins, or ‘2’ if the second player does.

Sample Input

#13
#26

Sample Output

#11
#22

Source

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