import java.util.*; import java.lang.*; import java.io.*; class Ideone{ public static void main(String[] args) throws Exception{ // your code goes here BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); start:for(int i=0;iww){ System.out.println("impossible"); }else{ System.out.println("possible"); } } } }