#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>

const double pi = 3.141592653589793238462643383279;
using namespace std;
using namespace __gnu_pbds;
//typedef
//------------------------------------------
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef pair<long long, long long> PLL;
typedef pair<int, PII> TIII;
typedef long long LL;
typedef unsigned long long ULL;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
 
 
//container util
//------------------------------------------
#define ALL(a)  (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define MP make_pair
#define SQ(a) ((a)*(a))
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
 
 
//repetition
//------------------------------------------
#define FOR(i,s,n) for(int i=s;i<(int)n;++i)
#define REP(i,n) FOR(i,0,n)
#define MOD 1000000007
 
 
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define trav(a, x) for(auto& a : x)
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
 
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
 
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)

const ll INF = -(1LL<<60);

const long double EPS = 1e-6, PI = acos((long double)-1);

//ここから編集

const int MOD2 = 998244353;
ll modPow(ll x, ll n, ll mod = MOD){
  if(n < 0) return 0;
    ll res = 1;
    while(n){
        if(n&1) res = (res * x)%mod;
 
        res %= mod;
        x = x * x %mod;
        n >>= 1;
    }
    return res;
}

long long extGCD(long long a, long long b, long long &x, long long &y) {
    if (b == 0) {
        x = 1;
        y = 0;
        return a;
    }
    long long d = extGCD(b, a%b, y, x);
    y -= a/b * x;
    return d;
}
// 負の数にも対応した mod (a = -11 とかでも OK) 
inline long long mod(long long a, long long m) {
    return (a % m + m) % m;
}
 
// 逆元計算 (ここでは a と m が互いに素であることが必要)
long long modinv(long long a, long long m) {
    long long x, y;
    extGCD(a, m, x, y);
    return mod(x, m); // 気持ち的には x % m だが、x が負かもしれないので
}

ll inv9;
ll pows[201010];
ll N, Q; 
template<typename T>
struct LazySegmentTree{
  const int INF = numeric_limits<int>::max();
  int n0;
  vector<T> node, lazy;

  LazySegmentTree(vector<T> &v){
    int n = v.size();
    n0 = 1;
    while(n0 < n) n0 <<= 1;
    node.resize(2*n0-1);
    lazy.assign(2*n0-1, INF);
    for(int i=0; i<n; i++) node[i+n0-1] = v[i] * pows[N-i-1] % MOD2;
    for(int i=n0-2; i>=0; i--) node[i] = node[i*2+1] + node[i*2+2];
  }

  void eval(int k, int l, int r){
    if(lazy[k] == INF) return;
    
    if(k < n0-1){
      lazy[k*2+1] = lazy[k];
      lazy[k*2+2] = lazy[k];
    }
    //cout << l << " " << r << endl;
    ll r1 = (pows[N-r] - 1 + MOD2) % MOD2 * inv9 % MOD2;
    ll l1 = (pows[N-l] - 1 + MOD2) % MOD2 * inv9 % MOD2;  
    //cout << l1-r1 << endl;
    node[k] = lazy[k] * (l1-r1 + MOD2) % MOD2; 
    lazy[k] = INF;
  }

  void update(int a, int b, T x, int k, ll l, ll r){
    eval(k, l, r);
    if(a <= l && r <= b){
      lazy[k] = x;
      eval(k, l, r);
    }else if(a < r && l < b) {
      update(a, b, x, k*2+1, l, (l+r)/2);
      update(a, b, x, k*2+2, (l+r)/2, r);
      node[k] = (node[k*2+1] + node[k*2+2])%MOD2;
    }
  }

  void update(int l, int r, T x) { update(l, r, x, 0, 0, n0); }

  T query(int a, int b, int k, ll l, ll r){
    eval(k, l, r);
    if(r <= a || b <= l) return 0;
    else if(a <= l && r <= b){
      return node[k];
    }else{
      T vl = query(a, b, k*2+1, l, (l+r)/2);
      T vr = query(a, b, k*2+2, (l+r)/2, r);
      return (vl+vr)%MOD2;
    }
  }
  T query(int l, int r) { return query(l, r, 0, 0, n0); }

  inline T operator[](int a) { return query(a, a + 1); }
};

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(7);

  cin >> N >> Q;
  inv9 = modinv(9, MOD2);
  pows[0] = 1;
  for(int i=0; i<=N+1; i++){
    pows[i+1] = (pows[i] * 10) % MOD2;
  }
  vector<ll> v(N,1);
  LazySegmentTree<ll> seg(v);
      //cout << seg.query(0, N) << endl;
  REP(i,Q){
    int l, r, d;
    cin >> l >> r >> d;
    l--; r--;
    seg.update(l, r+1, d);
    cout << seg.query(0, N) << endl;
  }
  return 0; 
}

Measured memory_bytes: 14560