import java.util.Scanner;

public class test {

public static void main(String[] args) {	int total=0;	int k=0;	int a[]=new int[100];for(int i=1;i<=50;i++){	  long x=(long) (Math.pow(2,i));	  boolean ok=f(x-1);	  if(ok){		  System.out.print((x-1)+" ");	  }}	}//试商判别法public static boolean f(long l){		if(l==1){		return false;	}		int max=(int) Math.sqrt(l);	for(int i=2;i

}