use std::io;

const BIG: u64 = 1000_000_007;

fn main() {
    let mut s = String::new();
    io::stdin().read_line(&mut s).unwrap();
    let n: u64 = s.trim().parse().unwrap();

    if n == 1 {
        println!("1");
        return;
    }
    let mut last_a;
    let mut rui_1 = 1u64;
    let mut rui_2 = 0u64;

    let mut i = 2;

    loop {
        // 偶数
        let a = rui_1 * i % BIG;
        last_a = a;
        if i == n { break; }
        rui_2 += a;
        if rui_2 >= BIG { rui_2 -= BIG; }

        i += 1;

        let a = rui_2 * i % BIG;
        last_a = a;
        if i == n { break; }
        rui_1 += a;
        if rui_1 >= BIG { rui_1 -= BIG; }

        i += 1;
    }

    println!("{}", last_a);
}