#include <iostream>
#include <string>
#include <sstream>
#include <stack>
#include <algorithm>
#include <cmath>
#include <queue>
#include <bitset>
#include <iomanip>
#include <limits>
#include <chrono>
#include <random>
#include <array>
#include <unordered_map>
#include <functional>
#include <complex>
#include <numeric>
#include <cctype>
#include <map>
#include <set>
#include <cstdlib>
#include <bitset>
#include <tuple>
#include <assert.h>
#include <deque>
#include <utility>
#include <fstream>

using namespace std;
typedef long long ll;
using ull = unsigned long long;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<typename T> T gcd(T a, T b) { a = abs(a), b = abs(b); while (b > 0) { tie(a, b) = make_pair(b, a % b); } return a; }
//mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

constexpr long long INF = 1LL << 60;
constexpr int inf = 1000000007;
//constexpr long long mod = 1000000007LL;
constexpr long long mod = 998244353;
constexpr int MAX = 5000000;


struct mint {
    long long x;
    mint(long long x = 0) :x((x% mod + mod) % mod) {}
    mint& operator+=(const mint a) {
        if ((x += a.x) >= mod) x -= mod;
        return *this;
    }
    mint& operator-=(const mint a) {
        if ((x += mod - a.x) >= mod) x -= mod;
        return *this;
    }
    mint& operator*=(const mint a) {
        (x *= a.x) %= mod;
        return *this;
    }
    mint operator+(const mint a) const {
        mint res(*this);
        return res += a;
    }
    mint operator-(const mint a) const {
        mint res(*this);
        return res -= a;
    }
    mint operator*(const mint a) const {
        mint res(*this);
        return res *= a;
    }
    mint pow(ll t) const {
        if (!t) return 1;
        mint a = pow(t >> 1);
        a *= a;
        if (t & 1) a *= *this;
        return a;
    }

    // for prime mod
    mint inv() const {
        return pow(mod - 2);
    }
    mint& operator/=(const mint a) {
        return (*this) *= a.inv();
    }
    mint operator/(const mint a) const {
        mint res(*this);
        return res /= a;
    }
};

vector<vector<mint>> pre(10);
vector<mint> ten;
pair<mint, ll> f(pair<mint, ll> a, pair<mint, ll> b) {
    return { a.first * ten[b.second] + b.first, a.second + b.second };
}

pair<mint, ll> g(pair<mint, ll> a, ll b) {
    if (b == inf) return a;
    return { pre[b][a.second], a.second };
}

ll h(ll a, ll b) {
    if (b == inf) return a;
    return b;
}
template< typename Monoid, typename OperatorMonoid = Monoid >
struct LazySegmentTree {
    /*
    using F = function< Monoid(Monoid, Monoid) >;
    using G = function< Monoid(Monoid, OperatorMonoid) >;
    using H = function< OperatorMonoid(OperatorMonoid, OperatorMonoid) >;
    */
    int sz, height;
    vector< Monoid > data;
    vector< OperatorMonoid > lazy;
    /*
    const F f;
    const G g;
    const H h;
    */
    const Monoid M1;
    const OperatorMonoid OM0;


    LazySegmentTree(int n, /*const F f, const G g, const H h,*/
        const Monoid& M1, const OperatorMonoid OM0)
        : /*f(f), g(g), h(h),*/ M1(M1), OM0(OM0) {
        sz = 1;
        height = 0;
        while (sz < n) sz <<= 1, height++;
        data.assign(2 * sz, M1);
        lazy.assign(2 * sz, OM0);
    }

    void set(int k, const Monoid& x) {
        data[k + sz] = x;
    }

    void build() {
        for (int k = sz - 1; k > 0; k--) {
            data[k] = f(data[2 * k + 0], data[2 * k + 1]);
        }
    }

    inline void propagate(int k) {
        if (lazy[k] != OM0) {
            lazy[2 * k + 0] = h(lazy[2 * k + 0], lazy[k]);
            lazy[2 * k + 1] = h(lazy[2 * k + 1], lazy[k]);
            data[k] = reflect(k);
            lazy[k] = OM0;
        }
    }

    inline Monoid reflect(int k) {
        return lazy[k] == OM0 ? data[k] : g(data[k], lazy[k]);
    }

    inline void recalc(int k) {
        while (k >>= 1) data[k] = f(reflect(2 * k + 0), reflect(2 * k + 1));
    }

    inline void thrust(int k) {
        for (int i = height; i > 0; i--) propagate(k >> i);
    }

    void update(int a, int b, const OperatorMonoid& x) {
        if (a >= b) return;
        thrust(a += sz);
        thrust(b += sz - 1);
        for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
            if (l & 1) lazy[l] = h(lazy[l], x), ++l;
            if (r & 1) --r, lazy[r] = h(lazy[r], x);
        }
        recalc(a);
        recalc(b);
    }

    Monoid query(int a, int b) {
        if (a >= b) return M1;
        thrust(a += sz);
        thrust(b += sz - 1);
        Monoid L = M1, R = M1;
        for (int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
            if (l & 1) L = f(L, reflect(l++));
            if (r & 1) R = f(reflect(--r), R);
        }
        return f(L, R);
    }

    Monoid operator[](const int& k) {
        return query(k, k + 1);
    }

};



int main()
{

	cin.tie(nullptr);
	ios::sync_with_stdio(false);

    ll n, kkt; cin >> n >> kkt;
    ten.resize(n + 1); ten[0] = 1; for (int i = 1; i <= n; i++) ten[i] = ten[i - 1] * 10;
    for (ll c = 0; c < 10; c++) {
        pre[c].resize(n + 1);
        for (int i = 1; i <= n; i++) {
            
            pre[c][i] = pre[c][i - 1] * 10 + c;
        }
    }
    LazySegmentTree<pair<mint, ll>, ll> lsg(n, { 0, 0 }, inf);
    for (int i = 0; i < n; i++) {
        lsg.set(i, { 1,1 });
    }
    lsg.build();
    while (kkt--) {
        int l, r, d; cin >> l >> r >> d;
        l--;
        lsg.update(l, r, d);
        cout << lsg.query(0, n).first.x << "\n";
    }
	return 0;
}

Measured memory_bytes: 32768