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java
9 months ago
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import java.util.Scanner; public class P1 { public static boolean Sol(int n) { for (int i = 2; i <= Math.sqrt(n); i++) { if (n % i == 0) return false; } return n > 1; } // 6 = 1, 2, 3, 6 // 8 = 1,2 ,4,8 // 10 = public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); // System.out.println(Sol(n)); // Sol(n); if (Sol(n)) { System.out.println("YES"); } else { System.out.println("NO"); } } }
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