#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 1000000000000000001


using A = array<int,2>;

A op(A a,A b){
	return a;
}

A e(){
	A ret;
	ret[0] = 0,ret[1] = (1<<30)-1;
	return ret;
}

A mapping(A a,A b){
	A ret;
	ret[0] = (b[0] & a[1]) | ((~b[0]) & a[0]);
	ret[1] = (b[1] & a[1]) | ((~b[1]) & a[0]);
	
	return ret;
}

A composition(A a,A b){
	A ret;
	ret[0] = (b[0] & a[1]) | ((~b[0]) & a[0]);
	ret[1] = (b[1] & a[1]) | ((~b[1]) & a[0]);
	return ret;
}

A id(){
	A ret;
	ret[0] = 0,ret[1] = (1<<30)-1;
	return ret;
}

int main(){
	
	int N,Q;
	cin>>N>>Q;
	
	vector<int> m(N);
	rep(i,N)scanf("%d",&m[i]);
	lazy_segtree<A,op,e,A,mapping,composition,id> seg(N);
	rep(i,Q){
		char c;
		cin>>c;
		int l,r,x;
		scanf("%d %d %d",&l,&r,&x);
		l--;

		A t;
		t[0] = 0,t[1] = 0;
		
		rep(j,30){
			//cout<<j<<endl;
			if(c=='o'){
				if((x>>j)&1)t[0] |= 1<<j,t[1] |= 1<<j;
				else t[1] |= 1<<j;
			}
			else{
				if((x>>j)&1)t[0] |= 1<<j;
				else t[1] |= 1<<j;
			}
		}
		
		seg.apply(l,r,t);
	}
//	cout<<'h'<<endl;
	vector<mint> dp(31,0);
	dp[0] = 1;
	rep(i,N){
		auto ret = seg.get(i);
		vector tdp(2,vector<mint>(31,0));
		int M = m[i];
		tdp[0][0] = 1;
		int C = 1;
		{
			vector ndp(2,vector<mint>(31,0));
			for(int j=29;j>=0;j--){
				ndp.assign(2,vector<mint>(31,0));
				rep(l,2){
					rep(k,C){
						if(tdp[l][k]==0)continue;
						rep(n,2){
							int kk = k,ll = l;
							if(l==0){
								if((M>>j)&1){
									if(n==0)ll++;
								}
								else{
									if(n==1)continue;
								}
							}
							if((ret[n]>>j)&1)kk++;
							ndp[ll][kk] += tdp[l][k];
						}
					}
				}
				C++;
				swap(tdp,ndp);
			}
		}
		vector<mint> ndp(31,0);
		rep(j,31){
			rep(k,31){
				ndp[max(j,k)] += dp[j] * (tdp[0][k] + tdp[1][k]);
			}
		}
		swap(dp,ndp);
	}
	mint ans = 0;
	rep(i,dp.size())ans += dp[i] * i;
	cout<<ans.val()<<endl;
	
	return 0;
}