#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
from collections import deque
import heapq
from collections import Counter
import math

# ------------------------------------------------------
class IN:
    @staticmethod
    def singleInt():
        return int(input())

    @staticmethod
    def singleStr():
        return input()

    @staticmethod
    def listInt():
        return list(map(int, input().split()))

    @staticmethod
    def listStr():
        return input().split()
# ------------------------------------------------------

print = lambda s: sys.stdout.write(str(s) + "\r\n")

def contain(c, x):
    return (x in c)

def str_reverse(s):
    return s[::-1]

def ctoi(c):
    return int.from_bytes(c.encode(), byteorder='big')
def itoc(x):
    return x.to_bytes((x.bit_length() + 7) // 8, byteorder='big').decode()

INF = 1001001001001001001
# ------------------------------------------------------

MOD = 1000000007

if __name__ == '__main__':
    A, B = IN.listInt()
    print(A * B % MOD)