package algo;

import java.util.ArrayList;
import java.util.Scanner;

import java.util.*;

public class sample7 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long A = sc.nextLong();
		long B = sc.nextLong();
		System.out.println((A * B) % 1000000007);
	}
}