def ndlist(shape: list[int], *, val=0) -> list:
    assert len(shape) > 0 and all(s > 0 for s in shape)

    def rec(p):
        if p == len(shape)-1:
            return [val] * shape[p]

        return [rec(p+1) for _ in range(shape[p])]

    return rec(0)


def digit_dp(s: str) -> int:
    ds = [int(c) for c in s]
    nd = len(ds)

    dp = ndlist([nd+1, 2, 2, 10])
    # dp[i][j][k]
    # i : i 桁目までみた
    # j : n 未満か(j=0 完全一致 j=1 より小さい)
    # k : leading zero
    # m : 末尾の数字
    dp[0][0][1][0] = 1

    for i in range(nd):
        for j in range(2):
            to = ds[i] if j == 0 else 9
            for k in range(2):
                for m in range(10):
                    for x in range(m, to+1):
                        nj = j | (x < to)
                        nk = k & (x == 0)
                        nm = 0 if nk else x

                        dp[i+1][nj][nk][nm] += dp[i][j][k][m]
                        dp[i+1][nj][nk][nm] %= MOD

    res = 1
    for i in range(10):
        res += dp[nd][1][0][i]
        res %= MOD

    return res


MOD = 10**9 + 7
N = int(input())

ans = digit_dp('1' + '0' * N)
print(ans)