#include "bits/stdc++.h"
using namespace std;
using     ll=long long;
using    vll=vector<   ll>;
using   vvll=vector<  vll>;
using  vvvll=vector< vvll>;
using vvvvll=vector<vvvll>;
using     dd=double;
using    vdd=vector<   dd>;
using   vvdd=vector<  vdd>;
using pll=pair<ll,ll>; using tll=tuple<ll,ll,ll>; using qll=tuple<ll,ll,ll,ll>;

constexpr ll INF = 1LL << 60;
struct Fast{ Fast(){ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(numeric_limits<double>::max_digits10); } } fast;
#define REPS(i, S, E) for (ll i = (S); i <= (E); i++)
#define REP(i, N) REPS(i, 0, (N)-1)
#define DEPS(i, S, E) for (ll i = (E); i >= (S); i--)
#define DEP(i, N) DEPS(i, 0, (N)-1)
#define rep(i, S, E)  for (ll i = (S); i <= (E); i++)
#define dep(i, E, S)  for (ll i = (E); i >= (S); i--)
#define each(e, v) for (auto&& e : v)
#define ALL(v) (v).begin(), (v).end()
#define RALL(v) (v).rbegin(), (v).rend()
template<class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; }return false; }
template<class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; }return false; }
template<class T> inline T MaxE(vector<T>&v,ll S,ll E){ T m=v[S]; rep(i,S,E)chmax(m,v[i]); return m; }
template<class T> inline T MinE(vector<T>&v,ll S,ll E){ T m=v[S]; rep(i,S,E)chmin(m,v[i]); return m; }
template<class T> inline T MaxE(vector<T> &v) { return MaxE(v,0,(ll)v.size()-1); }
template<class T> inline T MinE(vector<T> &v) { return MinE(v,0,(ll)v.size()-1); }
template<class T> inline T Sum(vector<T> &v,ll S,ll E){ T s=T(); rep(i,S,E)s+=v[i]; return s; }
template<class T> inline T Sum(vector<T> &v) { return Sum(v,0,v.size()-1); }
template<class T> inline ll sz(T &v){ return (ll)v.size(); }
inline ll CEIL(ll a,ll b){ return (a<0) ? -(-a/b) : (a+b-1)/b; }
inline ll FLOOR(ll a,ll b){ return -CEIL(-a,b); }

//vector用テンプレート
template<class T> inline vector<T>& operator+=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]+=b[i];  return a; }
template<class T> inline vector<T>& operator-=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]-=b[i];  return a; }
template<class T> inline vector<T>& operator*=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]*=b[i];  return a; }
template<class T> inline vector<T>& operator/=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]/=b[i];  return a; }
template<class T> inline vector<T>& operator%=(vector<T> &a,const vector<T> &b){ for (ll i=0; i<(ll)a.size(); i++) a[i]%=b[i];  return a; }
template<class T,class S> inline vector<T>& operator+=(vector<T> &a,S b){ for (T &e: a) e+=b;  return a; }
template<class T,class S> inline vector<T>& operator-=(vector<T> &a,S b){ for (T &e: a) e-=b;  return a; }
template<class T,class S> inline vector<T>& operator*=(vector<T> &a,S b){ for (T &e: a) e*=b;  return a; }
template<class T,class S> inline vector<T>& operator/=(vector<T> &a,S b){ for (T &e: a) e/=b;  return a; }
template<class T,class S> inline vector<T>& operator%=(vector<T> &a,S b){ for (T &e: a) e%=b;  return a; }
template<class T,class S> inline vector<T> operator+(const vector<T> &a,S b){ vector<T> c=a; return c+=b; }
template<class T,class S> inline vector<T> operator-(const vector<T> &a,S b){ vector<T> c=a; return c-=b; }
template<class T,class S> inline vector<T> operator*(const vector<T> &a,S b){ vector<T> c=a; return c*=b; }
template<class T,class S> inline vector<T> operator/(const vector<T> &a,S b){ vector<T> c=a; return c/=b; }
template<class T,class S> inline vector<T> operator%(const vector<T> &a,S b){ vector<T> c=a; return c%=b; }
template<class T,class S> inline vector<T> operator-(S b,const vector<T> &a){ vector<T> c=-a; return c+=b; }
template<class T> inline vector<T> operator-(const vector<T> &a){ vector<T> c=a; return c*=(-1); }
template<class T> inline ostream &operator<<(ostream &os,const vector<T> &a){ for (ll i=0; i<(ll)a.size(); i++) os<<(i>0?" ":"")<<a[i];  return os; }

//pair用テンプレート
using  vpll=vector< pll>;
using vvpll=vector<vpll>;
template<class T,class S> inline pair<T,S>& operator+=(pair<T,S> &a,const pair<T,S> &b){ a.first+=b.first; a.second+=b.second; return a; }
template<class T,class S> inline pair<T,S>& operator-=(pair<T,S> &a,const pair<T,S> &b){ a.first-=b.first; a.second-=b.second; return a; }
template<class T,class S> inline pair<T,S>& operator*=(pair<T,S> &a,const pair<T,S> &b){ a.first*=b.first; a.second*=b.second; return a; }
template<class T,class S> inline pair<T,S>& operator/=(pair<T,S> &a,const pair<T,S> &b){ a.first/=b.first; a.second/=b.second; return a; }
template<class T,class S> inline pair<T,S>& operator%=(pair<T,S> &a,const pair<T,S> &b){ a.first%=b.first; a.second%=b.second; return a; }
template<class T,class S,class R> inline pair<T,S>& operator+=(pair<T,S> &a,R b){ a.first+=b; a.second+=b; return a; }
template<class T,class S,class R> inline pair<T,S>& operator-=(pair<T,S> &a,R b){ a.first-=b; a.second-=b; return a; }
template<class T,class S,class R> inline pair<T,S>& operator*=(pair<T,S> &a,R b){ a.first*=b; a.second*=b; return a; }
template<class T,class S,class R> inline pair<T,S>& operator/=(pair<T,S> &a,R b){ a.first/=b; a.second/=b; return a; }
template<class T,class S,class R> inline pair<T,S>& operator%=(pair<T,S> &a,R b){ a.first%=b; a.second%=b; return a; }
template<class T,class S,class R> inline pair<T,S> operator+(const pair<T,S> &a,R b){ pair<T,S> c=a; return c+=b; }
template<class T,class S,class R> inline pair<T,S> operator-(const pair<T,S> &a,R b){ pair<T,S> c=a; return c-=b; }
template<class T,class S,class R> inline pair<T,S> operator*(const pair<T,S> &a,R b){ pair<T,S> c=a; return c*=b; }
template<class T,class S,class R> inline pair<T,S> operator/(const pair<T,S> &a,R b){ pair<T,S> c=a; return c/=b; }
template<class T,class S,class R> inline pair<T,S> operator%(const pair<T,S> &a,R b){ pair<T,S> c=a; return c%=b; }
template<class T,class S,class R> inline pair<T,S> operator-(R b,const pair<T,S> &a){ pair<T,S> c=-a; return c+=b; }
template<class T,class S> inline pair<T,S> operator-(const pair<T,S> &a){ pair<T,S> c=a; return c*=(-1); }
template<class T,class S> inline ostream &operator<<(ostream &os,const pair<T,S> &a){ return os << a.first << ' ' << a.second; }


template<ll MOD> struct mll_{
	ll val;
	mll_(ll v = 0): val(v % MOD){ if (val < 0) val += MOD; }
	mll_ operator - () const { return -val; }
	mll_ operator + (const mll_ &b) const { return val + b.val; }
	mll_ operator - (const mll_ &b) const { return val - b.val; }
	mll_ operator * (const mll_ &b) const { return val * b.val; }
	mll_ operator / (const mll_ &b) const { return mll_(*this) /= b; }
	mll_ operator + (ll b) const { return *this + mll_(b); }
	mll_ operator - (ll b) const { return *this - mll_(b); }
	mll_ operator * (ll b) const { return *this * mll_(b); }
	friend mll_ operator + (ll a,const mll_ &b) { return b + a; }
	friend mll_ operator - (ll a,const mll_ &b) { return -b + a; }
	friend mll_ operator * (ll a,const mll_ &b) { return b * a; }
	friend mll_ operator / (ll a,const mll_ &b) { return mll_(a)/b; }
	mll_ &operator += (const mll_ &b) { val=(val+b.val)%MOD; return *this; }
	mll_ &operator -= (const mll_ &b) { val=(val+MOD-b.val)%MOD; return *this; }
	mll_ &operator *= (const mll_ &b) { val=(val*b.val)%MOD; return *this; }
	mll_ &operator /= (const mll_ &b) {
		ll c=b.val,d=MOD,u=1,v=0;
		while (d){
			ll t = c / d;
			c -= t * d; swap(c,d);
			u -= t * v; swap(u,v);
		}
		val = val * u % MOD;
		if (val < 0) val += MOD;
		return *this;
	}
	mll_ &operator += (ll b) { return *this += mll_(b); }
	mll_ &operator -= (ll b) { return *this -= mll_(b); }
	mll_ &operator *= (ll b) { return *this *= mll_(b); }
	mll_ &operator /= (ll b) { return *this /= mll_(b); }
	bool operator == (const mll_ &b) { return val == b.val; }
	bool operator != (const mll_ &b) { return val != b.val; }
	bool operator == (ll b) { return *this == mll_(b); }
	bool operator != (ll b) { return *this != mll_(b); }
	friend bool operator == (ll a,const mll_ &b) { return mll_(a) == b.val; }
	friend bool operator != (ll a,const mll_ &b) { return mll_(a) != b.val; }
	friend ostream &operator << (ostream &os,const mll_ &a) { return os << a.val; }
	friend istream &operator >> (istream &is,mll_ &a) { return is >> a.val; }
	static mll_ Combination(ll a,ll b){
		chmin(b,a-b);
		if (b<0) return mll_(0);
		mll_ c = 1;
		rep(i,0,b-1) c *= a-i;
		rep(i,0,b-1) c /= i+1;
		return c;
	}
};
using mll = mll_<998244353LL>;
using vmll    = std::vector<mll>;
using vvmll   = std::vector<vmll>;
using vvvmll  = std::vector<vvmll>;
using vvvvmll = std::vector<vvvmll>;

#if 1
#include <atcoder/all>
using namespace atcoder;
#endif

template <class T, class E> struct LazySegmentTree{
	using F = function<T(T, T)>;
	using G = function<T(T, E)>;
	using H = function<E(E, E)>;
	F f; //!< データ同士の合成関数
	G g; //!< 作用関数
	H h; //!< 作用素同士の合成関数
	T ti; //!< データの単位元 実際の単位元をセットしないとだめ
	E ei; //!< 作用素の単位元 実際の単位元ではなくても、使わない値ならOK
	ll n=1; //!< データ数の2べき上界
	vector<T> dat;
	vector<E> laz;
	LazySegmentTree() {}
	LazySegmentTree(vector<T> &v, F f, G g, H h, T ti, E ei) { Init(v, f, g, h, ti, ei); }
	void Init(vector<T> &v, F f, G g, H h, T ti, E ei){
		this->f=f; this->g=g; this->h=h; this->ti=ti; this->ei=ei;
		while (n<(ll)v.size()) n<<=1;
		dat.resize(2*n-1, ti);
		laz.resize(2*n-1, ei);
		for (ll i=0; i<(ll)v.size(); i++) dat[n-1+i] = v[i];
		for (ll i=n-2; i>=0; i--) dat[i] = f(dat[2*i+1], dat[2*i+2]);
	}
	void Update(ll a, ll b, E x){ update(a, b+1, x, 0, 0, n); } //[a,b]にxを作用
	void update(ll a, ll b, E x, ll k, ll l, ll r){ //注目ノードk=[l,r)
		if (r<=a || b<=l) eval(k); //[l,r)が[a,b)と重ならない時
		else if (a<=l && r<=b){ //[l,r)が[a,b)の内側の時
			laz[k] = h(laz[k], x);
			eval(k); //親ノードが後でdat[k]を見るため、ここで評価しておく必要あり
		}
		else { //[l,r)が[a,b)から一部はみ出す時
			eval(k); //子ノードを処理する前に評価しておく必要あり
			update(a, b, x, k*2+1, l, (l+r)/2);
			update(a, b, x, k*2+2, (l+r)/2, r);
			dat[k] = f(dat[k*2+1], dat[k*2+2]);
		}
	}
	T Range(ll a, ll b) { return range(a, b+1, 0, 0, n); }//[a,b]の値を取得
	T range(ll a, ll b, ll k, ll l, ll r){ //注目ノードk=[l,r)
		if (r<=a || b<=l) return ti; //[l,r)が[a,b)と重ならない時
		eval(k); //自分や子の値を見る前に評価が必要
		if (a<=l && r<=b) return dat[k];//[l,r)が[a,b)の内側の時
		return f(range(a, b, k*2+1, l, (l+r)/2), range(a, b, k*2+2, (l+r)/2, r));
		//[l,r)が[a,b)から一部はみ出す時
	}
	ll FindL(ll a, ll b, T x) { return findL(a, b+1, x, 0, 0, n); }
	ll findL(ll a, ll b, T x, ll k, ll l, ll r){ //[l,r)内最左 なければb
		if (r<=a || b<=l) return b; //範囲外
		eval(k);
		if (f(dat[k], x) != dat[k]) return b; //条件を満たさない
		if (n-1 <= k) return k-(n-1); //葉なら見つかった→位置return
		ll        i = findL(a, b, x, 2*k+1, l, (l+r)/2); //左部分木探す
		if (i==b) i = findL(a, b, x, 2*k+2, (l+r)/2, r); //左になければ右
		return i;
	}
	ll FindR(ll a, ll b, T x) { return findR(a, b+1, x, 0, 0, n); }
	ll findR(ll a, ll b, T x, ll k, ll l, ll r){ //[l,r)内最右 なければa-1
		if (r<=a || b<=l) return a-1; //範囲外
		eval(k);
		if (f(dat[k], x) != dat[k]) return a-1; //条件を満たさない
		if (n-1 <= k) return k-(n-1); //葉なら見つかった→位置return
		ll          i = findR(a, b, x, 2*k+2, (l+r)/2, r); //右部分木探す
		if (i==a-1) i = findR(a, b, x, 2*k+1, l, (l+r)/2); //右になければ左
		return i;
	}
	void eval(ll k){
		if (laz[k] == ei) return;
		if (k<=n-2){ //子に作用素を配る
			laz[k*2+1] = h(laz[k*2+1], laz[k]);
			laz[k*2+2] = h(laz[k*2+2], laz[k]);
		}
		//自分に作用させる
		dat[k] = g(dat[k], laz[k]);
		laz[k] = ei;
	}
	void Dump(ll w=5){
		auto disp=[&](ll x){
			if (x==-INF) cerr << setw(w) << "-INF";
			else if (x== INF) cerr << setw(w) << "INF";
			else              cerr << setw(w) << x;
		};
		REP(i, n) for (ll k=i+n-1, m=1, p=1; k>=0; p=m, m*=k%2, k=(k==0)?-1:(k-1)/2){
			if (m){
				cerr << ((k<n-1)?" ┬ ":""); disp(dat[k]); cerr<<" /"; disp(laz[k]);
			}
			else{
				cerr << ((p&~m) ?" ┘ ":"");
			}
			if (k==0) cerr << '\n';
		} cerr << '\n';
	}
};

const ll mod=998244353;
vmll pow10;
vmll ddddd;


void solve()
{
	ll n,q;  cin >> n >> q;
	vector<tuple<ll,ll,ll>> lrd(q);
	rep(i,0,q-1){ ll l; ll r; ll d; cin>>l>>r>>d; lrd[i]={l-1,r-1,d}; }

	pow10.resize(n+10);
	pow10[0]=mll(1);
	rep(i,1,n+9){pow10[i]=pow10[i-1]*10;}

	ddddd.resize(n+10);
	ddddd[1]=mll(1);
	rep(i,2,n+9){
		ddddd[i]=ddddd[i-1]+pow10[i-1];
	}

	vpll ini(n,pll(1,1));

	LazySegmentTree<pll, ll> sgt(
		ini,
		[](pll x, pll y){
			ll s,m;  tie(s,m) = x;
			ll ss,mm;  tie(ss,mm) = y;
			ll sss=(s* pow10[mm].val)%mod + ss;
			sss%=mod;
			ll nnn=m+mm;
			return pll(sss,nnn);
		},//データ同士の合成関数

		[](pll x, ll y){
			ll s,m;  tie(s,m) = x;
			return pll((ddddd[m].val*y)%mod,m);
		},//データxに作用素yを作用させる関数

		[](ll x, ll y){ return y; },//作用素の合成関数
		pll(0,0), //データの単位元 実際の単位元をセットしないとだめ
		0); //作用素の単位元 実際の単位元ではなくても、使わない値ならOK

	rep(qq,0,q-1){
		ll l,r,d;  tie(l,r,d) = lrd[qq];

		sgt.Update(l,r,d);
		pll ans=sgt.Range(0,n-1);
		cout << ans.first << '\n';
	}
}


int main(){
#if 1
	solve();
#else
	ll t;  cin >> t;
	rep(i, 0, t-1){
		solve();
	}
#endif
	return 0;
}


Measured memory_bytes: 26480