const MOD: isize = 1e9 as isize + 7;

fn main() {
    let mut ab = String::new();
    std::io::stdin().read_line(&mut ab).ok();
    let ab: Vec<isize> = ab.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let a = ab[0];
    let b = ab[1];

    let xodd = (a+1)/2*2;
    let xeven = a/2*2+1;
    let yodd = (b+1)/2*2;
    let yeven = b/2*2+1;
    let result = xodd % MOD * (yodd % MOD) % MOD + xeven % MOD * (yeven % MOD) % MOD;
    println!("{}", result % MOD);
}