#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()
//#pragma GCC optimize ("-O3")
using namespace std; using namespace atcoder;
void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60;
template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; }
//---------------------------------------------------------------------------------------------------
template<int MOD> struct ModInt {
    static const int Mod = MOD; unsigned x; ModInt() : x(0) { }
    ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
    ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; }
    int get() const { return (int)x; }
    ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; }
    ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; }
    ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; }
    ModInt &operator/=(ModInt that) { return *this *= that.inverse(); }
    ModInt operator+(ModInt that) const { return ModInt(*this) += that; }
    ModInt operator-(ModInt that) const { return ModInt(*this) -= that; }
    ModInt operator*(ModInt that) const { return ModInt(*this) *= that; }
    ModInt operator/(ModInt that) const { return ModInt(*this) /= that; }
    ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0;
        while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); }
        return ModInt(u); }
    bool operator==(ModInt that) const { return x == that.x; }
    bool operator!=(ModInt that) const { return x != that.x; }
    ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; }
};
template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; };
template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) {
    ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; }
typedef ModInt<998244353> mint;
using V = pair<mint, mint>;
template<int NV> struct LazySegTree { // [L,R)
    vector<V> dat; vector<int> lazy; LazySegTree() { dat.resize(NV * 2, def); lazy.resize(NV * 2, ldef); }
    void update(int a, int b, int v, int k, int l, int r) {
        push(k, l, r); if (r <= a || b <= l) return;
        if (a <= l && r <= b) { setLazy(k, v); push(k, l, r); }
        else {
            update(a, b, v, k * 2, l, (l + r) / 2); update(a, b, v, k * 2 + 1, (l + r) / 2, r);
            dat[k] = comp(dat[k * 2], dat[k * 2 + 1]);
        }
    }
    V get(int a, int b, int k, int l, int r) {
        push(k, l, r); if (r <= a || b <= l) return def;
        if (a <= l && r <= b) return dat[k]; auto x = get(a, b, k * 2, l, (l + r) / 2);
        auto y = get(a, b, k * 2 + 1, (l + r) / 2, r); return comp(x, y);
    }
    void update(int a, int b, int v) { update(a, b, v, 1, 0, NV); }
    V get(int a, int b) { return get(a, b, 1, 0, NV); }
    // ---- Template ---------------------------------------------------------------------------------

    const V def = make_pair(mint(0), mint(1)); int ldef = -1;
    V comp(V l, V r) {
        return make_pair(l.first * r.second + r.first, l.second * r.second);
    }
    void setLazy(int i, int v) { lazy[i] = v; }
    void push(int k, int l, int r) {
        if (lazy[k] != ldef) {
            // modify------------------------------
            dat[k] = make_pair(mint(lazy[k]), mint(10));
            int kk = k;
            while (kk < NV) {
                kk = kk * 2;
                dat[k] = comp(dat[k], dat[k]);
            }
            // ------------------------------------
            if (r - l > 1) { setLazy(k * 2, lazy[k]); setLazy(k * 2 + 1, lazy[k]); }
            lazy[k] = ldef;
        }
    }

    void print(int i) { printf("%d,%d ", dat[i].first.get(), dat[i].second.get()); }
    void printLazy(int i) { printf("%d ", lazy[i]); }
    void debug() {
        printf("[DAT]\n");
        int len = 1;
        int id = 0;
        while (len <= NV) {
            rep(i, 0, len) print(id), id++;
            printf("\n");
            len *= 2;
        }
        printf("[LAZY]\n");
        len = 1;
        id = 0;
        while (len <= NV) {
            rep(i, 0, len) printLazy(id), id++;
            printf("\n");
            len *= 2;
        }
    }
};
/*---------------------------------------------------------------------------------------------------
　　　　　　　　　　　 ∧＿∧
　　　　　 ∧＿∧ 　（´<_｀ ）　 Welcome to My Coding Space!
　　　　 （ ´_ゝ`）　/　 ⌒i     @hamayanhamayan0
　　　　／　　　＼　 　  |　|
　　　 /　　 /￣￣￣￣/　　|
　 ＿_(__ﾆつ/　    ＿/ .| .|＿＿＿＿
　 　　　＼/＿＿＿＿/　（u　⊃
---------------------------------------------------------------------------------------------------*/














int N, Q;
LazySegTree<1 << 18> st;
//---------------------------------------------------------------------------------------------------
void _main() {
    cin >> N >> Q;
    st.update(0, N, 1);
    rep(q, 0, Q) {
        int L, R, D; cin >> L >> R >> D;
        L--;
        st.update(L, R, D);
        int ans = st.get(0, N).first.get();
        printf("%d\n", ans);
    }
}







Measured memory_bytes: 9144