题解 | 单组_spj判断YES与NO

public class Program {
    public static void Main() {
        string line = System.Console.ReadLine();
        string result = "YES";
        int num = line[line.Length - 1] - '0';
        if(num % 2 == 0)
            result = "NO";
        System.Console.WriteLine(result);
    }
}