#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll=long long;
using Graph=vector<vector<int>>;
#define INF 1000000000000000000
#define MOD 998244353
#define MAX 1000000

int main(){
  int n;
  cin>>n;

  int M=300;
  vector<vector<ll>> dp(n,vector<ll>(2*M+1,0));
  for(int num=1;num<=M;num++){
    int j=num-to_string(num).size()+M;
    if(0<=j&&j<=2*M){
      dp[0][j]++;
    }
  }
  for(int i=1;i<n;i++){
    for(int j=0;j<=2*M;j++){
      for(int num=1;num<=M;num++){
        int nj=j+(num-to_string(num).size()-1);
        if(0<=nj&&nj<=2*M){
          dp[i][nj]+=dp[i-1][j];
          dp[i][nj]%=MOD;
        }
      }
    }
  }

  cout<<dp[n-1][M]<<'\n';
}