N = int(input()) mod = 10**9+7 ans = pow(10, N, mod) prev_d = 0 while N: d = 0 x = 1 n = 3 while pow(2, d+1) <= N: n = (n * (pow(10, x, mod) + 1)) % mod x = x * 2 % mod d += 1 ans = (ans + n * pow(10, prev_d, mod)) % mod N -= 2**d prev_d += 2**d print(ans)