use std::io::stdin;

fn get_ints() -> Vec<u64> {
    let mut line = String::new();
    stdin().read_line(&mut line).ok();
    line.trim().split_whitespace().map(|i| i.parse().unwrap()).collect()
}

fn main() {
    let ints = get_ints();
    let (a, b) = (ints[0], ints[1]);
    let ans = a * b % 1000000007;
    
    println!("{}", ans);
}