#include <iostream>
#include <iomanip>
#include <sstream>
#include <vector>
#include <string>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <stack>
#include <queue>
#include <deque>
#include <algorithm>
#include <functional>
#include <iterator>
#include <limits>
#include <numeric>
#include <utility>
#include <type_traits>
#include <cmath>
#include <cassert>
#include <cstdio>

using namespace std;
using namespace placeholders;

using LL = long long;
using ULL = unsigned long long;
using VI = vector< int >;
using VVI = vector< vector< int > >;
using VS = vector< string >;
using ISS = istringstream;
using OSS = ostringstream;
using PII = pair< int, int >;
using VPII = vector< pair< int, int > >;
template < typename T = int > using VT = vector< T >;
template < typename T = int > using VVT = vector< vector< T > >;
template < typename T = int > using LIM = numeric_limits< T >;
template < typename T = int > using OSI = ostream_iterator< T >;

template < typename T > inline istream& operator>>( istream &s, vector< T > &v ){ for ( T &t : v ) { s >> t; } return s; }
template < typename T > inline ostream& operator<<( ostream &s, const vector< T > &v ){ for ( int i = 0; i < int( v.size() ); ++i ){ s << ( " " + !i ) << v[i]; } return s; }

void in_impl(){};
template < typename T, typename... TS > void in_impl( T &head, TS &... tail ){ cin >> head; in_impl( tail ... ); }
#define IN( T, ... ) T __VA_ARGS__; in_impl( __VA_ARGS__ );

template < typename T > inline T fromString( const string &s ) { T res; istringstream iss( s ); iss >> res; return res; }
template < typename T > inline string toString( const T &a ) { ostringstream oss; oss << a; return oss.str(); }

#define NUMBERED( name, number ) NUMBERED2( name, number )
#define NUMBERED2( name, number ) name ## _ ## number
#define REP1( n ) REP2( NUMBERED( REP_COUNTER, __LINE__ ), n )
#define REP2( i, n ) REP3( i, 0, n )
#define REP3( i, m, n ) for ( int i = ( int )( m ); i < ( int )( n ); ++i )
#define GET_REP( a, b, c, F, ... ) F
#define REP( ... ) GET_REP( __VA_ARGS__, REP3, REP2, REP1 )( __VA_ARGS__ )
#define FOR( e, c ) for ( auto &&e : c )
#define ALL( c ) begin( c ), end( c )
#define AALL( a ) ( remove_all_extents< decltype( a ) >::type * )a, ( remove_all_extents< decltype( a ) >::type * )a + sizeof( a ) / sizeof( remove_all_extents< decltype( a ) >::type )

#define SZ( v ) ( (int)( v ).size() )
#define EXISTS( c, e ) ( ( c ).find( e ) != ( c ).end() )

template < typename T > inline bool chmin( T &a, const T &b ){ if ( b < a ) { a = b; return true; } return false; }
template < typename T > inline bool chmax( T &a, const T &b ){ if ( a < b ) { a = b; return true; } return false; }

#define PB push_back
#define EM emplace
#define EB emplace_back
#define BI back_inserter

#define MP make_pair
#define fst first
#define snd second

#define DUMP( x ) cerr << #x << " = " << ( x ) << endl

//     Λ   Λ＿_
//  ／(*ﾟーﾟ)／＼
// ／| ￣U U￣|＼／
//   |      |／

constexpr int MOD = 998'244'353;

// a^x を mod で求める
// 反復二乗法
// O( log x )
long long mod_pow( long long a, long long x, long long mod )
{
	a %= mod;

	long long res = 1;
	for ( ; x; x >>= 1, ( a *= a ) %= mod )
	{
		if ( x & 1 )
		{
			( res *= a ) %= mod;
		}
	}
	return res;
}

#include <atcoder/lazysegtree>
using namespace atcoder;

struct S
{
	LL v;
	int sz;
	S ( const LL v_, const int s ) : v( v_ ), sz( s )
	{
		return;
	}
};

struct F
{
	LL x;
	F( const int x_ ) : x( x_ )
	{
		return;
	}
};

S op( const S a, const S b )
{
	return S( ( a.v * mod_pow( 10, b.sz, MOD ) % MOD + b.v ) % MOD, a.sz + b.sz );
}

S e()
{
	return S( 0, 0 );
}

S mapping( const F f, const S a )
{
	if ( f.x == -1 )
	{
		return a;
	}

	const static VT< LL > ones = []
	{
		VT< LL > res( 300'001 );
		REP( i, 1, 300'001 )
		{
			res[i] = ( res[ i - 1 ] * 10 + 1 ) % MOD;
		}
		return res;
	}();

	return S( ( f.x * ones[ a.sz ] ) % MOD, a.sz );
}

F composition( const F f, const F g )
{
	return f.x == -1 ? g : f;
}

F id()
{
	return F( -1 );
}

int main()
{
	cin.tie( nullptr );
	ios::sync_with_stdio( false );
	cout << setprecision( 12 ) << fixed;

	IN( int, N, Q );

	lazy_segtree< S, op, e, F, mapping, composition, id > segtree( N );
	REP( i, N )
	{
		segtree.set( i, S( 1, 1 ) );
	}

	REP( Q )
	{
		IN( int, L, R, D );
		--L;
		segtree.apply( L, R, F( D ) );
		cout << segtree.all_prod().v << '\n';
	}
	cout << flush;

	return 0;
}

Measured memory_bytes: 16660