import std.algorithm;
import std.array;
import std.conv;
import std.math;
import std.range;
import std.stdio;
import std.string;
import std.typecons;

T read(T)() { return readln.chomp.to!T; }
T[] reads(T)() { return readln.split.to!(T[]); }
alias readint = read!int;
alias readints = reads!int;

void main() {
    const mod = 1000000007;

    auto ab = readints;
    long a = ab[0], b = ab[1];
    long ans = (a * b) % mod;
    writeln(ans);
}