n = int(input())
nn = 2 * n + 50
dp = [[0] * (nn) for _ in range(nn)]
for i in range(nn-1):
    dp[i+1][len(str(i+1))] += 1
for j in range(1,nn):
        for i in range(1,nn):
            dp[i][j] += dp[i-1][j]
mod = 998244353 
for w in range(n-1):
    n_dp = [[0] * (nn) for _ in range(nn)]
    for i in range(1,nn):
        for j in range(1,nn):
            if j >= 2:
                if i - 10 < 0:
                    n_dp[i][j] += dp[i-1][j-2]
                else:
                    n_dp[i][j] += dp[i-1][j-2] - dp[i-10][j-2]
            if j >= 3 and i - 10 >= 0:
                if i - 100 < 0:
                    n_dp[i][j] += dp[i-10][j-3]
                else:
                    n_dp[i][j] += dp[i-10][j-3] - dp[i-100][j-3]
            if j >= 4 and i - 100 >= 0:
                if i - 1000 < 0:
                    n_dp[i][j] += dp[i-100][j-4]
                else:
                    n_dp[i][j] += dp[i-100][j-4] - dp[i-1000][j-4]
            n_dp[i][j] %= mod
#     for e in dp:
#         print(e)
#     print()
#     for e in n_dp:
#         print(e)
    if w == n-2:break
    for j in range(1,nn):
        for i in range(1,nn):
            n_dp[i][j] += n_dp[i-1][j]
    dp = n_dp
if n == 1:print(1)
else:
    ans = 0
    for i in range(nn):
        ans += n_dp[i][i]
    else:print(ans%mod)