import java.util.*;
public class ShuShu{
public boolean isShuShu(int n){
int i;
for(i=2;i=n){
return true;
}else{
return false;
}
}
public static void main(String args[]){
ShuShu s=new ShuShu();
Scanner reader=new Scanner(System.in);
System.out.print("Enter your num:");
int n=reader.nextInt();
if(s.isShuShu(n)) System.out.println(n+" is sushu");
else System.out.println(n+"is not sushu");
}
}