#include<bits/stdc++.h>
#include<bits/extc++.h>
#define int long long
#define inf 0x3f3f3f3f3f3f3f3f
#define maxn 1234567
#define eps 1e-7
#define mod 1000000007
#define Mod 998244353
#define f(i,a,b) for(int i=a;i<=b;i++)
#define r(i,a,b) for(int i=a;i>=b;i--) 
#define fx(i,a,b,x) for(int i=a;i<=b;i+=x)
#define rx(i,a,b,x) for(int i=a;i>=b;i-=x) 
using namespace std;
using namespace __gnu_cxx;
using namespace __gnu_pbds;
int T;
int n,q,t,y,z,cur,u,v,ans;
int L[maxn],R[maxn],LL[maxn],RR[maxn];
char op;
void upd(int dt){
	memset(LL,0,sizeof(LL));
	memset(RR,0,sizeof(RR));
	f(i,0,n-1){
		if(dt<=i)LL[i-dt]+=L[i],LL[i]-=L[i];
		else{
			u=(dt-i)/n,v=(dt-i)%n;
			if(u&1)LL[n-1-v]+=L[i],LL[i]-=L[i];
			else RR[v]+=L[i],LL[i]-=L[i];
		}
		if(dt<=n-i-1)RR[i+dt]+=R[i],RR[i]-=R[i];
		else{
			u=(dt+i)/n,v=(dt+i)%n;
			if(u&1)RR[v]+=R[i],RR[i]-=R[i];
			else LL[n-1-v]+=R[i],RR[i]-=R[i];
		}
	}
	f(i,0,n-1)L[i]+=LL[i],R[i]+=RR[i];
}
void solve(){
	scanf("%lld%lld",&n,&q);
	while(q--){
		cin>>op;scanf("%lld%lld%lld",&t,&y,&z);
		upd(t-cur);
		if(op=='C'){
			ans=0;
			f(i,y,z-1)ans+=L[i]+R[i];
			printf("%lld\n",ans);
		}
		else if(op=='L')L[y]+=z;
		else R[y]+=z;
		cur=t;
	}
}
signed main(){
	T=1;
//	scanf("%lld",&t);
	while(T--)solve();
	return 0;
}