# -*- coding: utf-8 -*-

import math

# solve(2) = 1 * 2 * 3 * 4 / 2 * 2
# solve(3) = 1 * 2 * 3 * 4 * 5 * 6/ 2 * 2 * 2
# solve(4) = 1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 / 2 * 2 * 2 * 2






def solve2(n):
    c = []
    ans = 1
    for k in xrange(1, n + 1):
        ans *= k*(2*k - 1)
        ans %= 1000000007

    return ans


def solve(n):
    t = 1
    for k in xrange(1, n * 2 + 1):
        t *= k
        if k % 2 == 0:
            t /= 2
        t %= 1000000007
    return t

if __name__ == "__main__":
    print solve2(int(raw_input()))