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

public class Main implements Runnable {
	public static void main(String[] args) {
		new Main().run();
	}

	long MOD = (long) (1e9 + 7);

	public void run() {
		Scanner sc = new Scanner(System.in);
		long A = sc.nextLong();
		long B = sc.nextLong();
		System.out.println(A * B % MOD);
	}

	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
}