View Compilation Error

0_0_31907542_25945.cpp:1:1: error: 'import' does not name a type
 import java.util.Scanner;
 ^
0_0_31907542_25945.cpp:2:2: error: expected unqualified-id before 'public'
  public class Main{     public static void main(String[] args) {        Scanner sc = new Scanner(System.in);        while (sc.hasNext()) {            int tao = 1;            int N = sc.nextInt();            for (int i = 2; i <= N; i++) {                tao = (tao + 1) * 2;            }            System.out.println(tao);        }    } }
  ^