import java.util.Scanner; public class QQ5 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); int c = sc.nextInt(); if(n == 1 || m == 1 || (n % 2 != 0) && (m % 2 != 0)){ System.out.println("NO"); }else{ System.out.println("YES"); } sc.close(); } }