#include<bits/stdc++.h>
#define ll long long
#define pb emplace_back
#define mkp make_pair
#define rint register int
#define INF ((1ll << 60) - 1)
#define FI(n) FastIO::read(n)
#define FO(n) FastIO::write(n)
#define Pair pair < int, int >
#define mst(a,b) memset(a,b,sizeof(a))
#define foR(i, k, j) for(rint i = (k); i >= (j); i--)
#define For(i, k, j) for(rint i = (k); i <= (j); i++)
#define Foe(i, u) for(rint i = lst[u], v = e[i].v; i; i = e[i].nxt, v = e[i].v)
#define IOS ios::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#define file(s) freopen(s".in", "r", stdin); freopen(s".out", "w", stdout)
#define int long long
const int P = 998244353; //
using namespace std;
inline void ckmax(int &a, int b) {a = max(a, b);}
inline void ckmin(int &a, int b) {a = min(a, b);}
inline void mulmod(int &a, int b) {a = 1ll * a * b % P;}
inline void addmod(int &a, int b) {int t = a + b; a = (t >= P ? t - P : t); }
inline int ksm(int a, int b) {int ans=1; for(;b;b>>=1) {if(b&1) ans=1ll*ans*a%P;a=1ll*a*a%P;}return ans;}
inline int inv(int a) {return ksm(a, P-2);}
 
inline void printarray(int *a, int n) {For(i, 1, n) fprintf(stderr, "%d ", a[i]); fprintf(stderr, "\n");}
namespace FastIO {
    const int SIZE=1<<16; char buf[SIZE], obuf[SIZE], str[64]; int bi=SIZE, bn=SIZE, opt;
    int read(char *s) {
        while (bn) {for (;bi<bn&&buf[bi]<=' ';bi++);if (bi<bn) break; bn=fread(buf,1,SIZE,stdin),bi=0;}
        int sn=0;while (bn) {for (;bi<bn&&buf[bi]>' ';bi++) s[sn++]=buf[bi];if (bi<bn) break; bn=fread(buf,1,SIZE,stdin),bi=0;}s[sn]=0;return sn;
    }
    bool read(int& x) {if(x)x=0;int bf=0,n=read(str); if(!n) return 0; int i=0; if (str[i]=='-') bf=1,i=1; for(x=0;i<n;i++) x=x*10+str[i]-'0'; if(bf) x=-x; return 1;}
    void write(int x) {
        if(!x) obuf[opt++] = '0'; else {if(x<0) obuf[opt++]='-',x=-x;int sn=0; while(x)str[sn++]=x%10+'0',x/=10;for (int i=sn-1;i>=0;i--) obuf[opt++]=str[i];}
        if (opt>=(SIZE>>1)){fwrite(obuf, 1, opt, stdout); opt=0;}
    }
    void write(char x) {obuf[opt++]=x;if (opt>=(SIZE>>1)){fwrite(obuf, 1, opt, stdout); opt=0;}}
    void Fflush() { if (opt) fwrite(obuf, 1, opt, stdout); opt=0;}
};
const int MAXN = 4e5 + 5;
int n, m, pw[MAXN], t[10][MAXN];
struct Segment_tree {
	int tag[MAXN << 2], val[MAXN << 2];
	Segment_tree() {tag[1] = 1;}
	#define ls (k << 1)
	#define rs (k << 1 | 1)
	#define mid ((l + r) >> 1)
	void pushr(int k, int l, int r, int v) {
		tag[k] = v; val[k] = t[v][r - l + 1];
	}
	void pushdown(int k, int l, int r) {
		if(tag[k]) {
			pushr(ls, l, mid, tag[k]);
			pushr(rs, mid+1, r, tag[k]);
			tag[k] = 0;
		}
	}
	void update(int k, int l, int r, int ql, int qr, int v) {
		if(l == ql && r == qr) return pushr(k, l, r, v), void();
		pushdown(k, l, r);
		if(qr <= mid) update(ls, l, mid, ql, qr, v);
		else if(mid < ql) update(rs, mid+1, r, ql, qr, v);
		else update(ls, l, mid, ql, mid, v), update(rs, mid+1, r, mid+1, qr, v);
		val[k] = (val[ls] * pw[r - mid] + val[rs]) % P;
	}
}tr;
signed main()
{
    #ifndef ONLINE_JUDGE
        file("pro");
    #endif
    cin >> n >> m;
    pw[0] = 1; For(i, 1, n) pw[i] = pw[i - 1] * 10ll % P;
   	For(i, 1, 9) t[i][1] = i;
   	For(i, 1, 9) For(j, 2, n) {
		t[i][j] = (t[i][j-1] * 10 + i) % P;
	}
	tr.tag[1] = 1, tr.val[1] = t[1][n];
    For(i, 1, m) {
    	int l, r, d; FI(l), FI(r), FI(d);
    	tr.update(1, 1, n, l, r, d);
    	printf("%lld\n", tr.val[1]);
	}
    return FastIO::Fflush(), 0;
}

Measured memory_bytes: 27716