package no192; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); for(int i=n+100;i>=n-100;i--) { for(int j=2;j<i;j++) { if (i % j == 0) { System.out.println(i); return; } } } System.out.println("!?"); } }