public static int[] is(int n) throws Exception {
// int arr[] = new int[n+1];
for (int i = 1; i <= n; i++) tempints[i] = in.nextInt();
return tempints;
}
// *******************************I/O******************************//
public static int i() throws Exception {
// return Integer.parseInt(br.readLine().trim());
return in.nextInt();
}