1 import java.util.Scanner; 2  3 public class P1264 4 { 5     public static void main(String args[]) 6     { 7         try (Scanner cin = new Scanner(System.in)) 8         { 9             while (cin.hasNext())10             {11                 int n = cin.nextInt();12                 int m = cin.nextInt();13                 System.out.println(n * (m + 1));14             }15         }16     }17 }