/*
 * Author : anditaru
 * Email : pioner_soul@yahoo.co.id
 * please submit your rate and comments
 * Website : javaclopedia.com
/*
public class prima {
    public static void main(String[] args) {        
        for(int i=2;i<=20;i++){
            int state = 1;
            for(int j=2;j<i;j++){
                if(i%j==0){
                    state = 0;
                }
            }
            if(state==1){
                System.out.print(i+" ");
            }
        }
    }
}
/*
	2 3 5 7 11 13 17 19 
*/