//----------vahagng----------//
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
using namespace std;
// using namespace __gnu_pbds;
// template <class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif
void print(long long t) { cerr << t; }
void print(int t) { cerr << t; }
void print(string t) { cerr << t; }
void print(char t) { cerr << t; }
void print(double t) { cerr << t; }
void print(long double t) { cerr << t; }
void print(unsigned long long t) { cerr << t; }
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T, class V> void print(T v[], V n) { cerr << "["; for (int i = 0; i < n; i++) { cerr << v[i] << " "; } cerr << "]"; }
template <class T, class V> void print(pair <T, V> p) { cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}"; }
template <class T> void print(vector <T> v) { cerr << "[ "; for (T i : v) { print(i); cerr << " "; } cerr << "]"; }
template <class T> void print(set <T> v) { cerr << "[ "; for (T i : v) { print(i); cerr << " "; } cerr << "]"; }
template <class T> void print(unordered_set <T> v) { cerr << "[ "; for (T i : v) { print(i); cerr << " "; } cerr << "]"; }
template <class T> void print(multiset <T> v) { cerr << "[ "; for (T i : v) { print(i); cerr << " "; } cerr << "]"; }
template <class T, class V> void print(map <T, V> v) { cerr << "[ "; for (auto i : v) { print(i); cerr << " "; } cerr << "]"; }
#define ll long long
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define ld long double
#define sz(v) v.size()
#define endl '\n'
#define stress_test freopen("out.txt", "r", stdin); freopen("in.txt", "w", stdout);
const ll inf = 2e18, mod = 1e9 + 7, mod2 = 998244353;
void SetIO(string str = "") {
if (str != "") {
freopen((str + ".in").c_str(), "r", stdin);
freopen((str + ".out").c_str(), "w", stdout);
}
else {
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
}
}
void FastIO() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
}
mt19937 rnd(chrono::system_clock::now().time_since_epoch().count());
ll binpow(ll a, ll b, ll m) {
ll res = 1;
while (b) {
if (b & 1) {
res = (res * a) % m;
}
b >>= 1;
a = (a * a) % m;
}
return res;
}
__int128_t gcd(__int128_t a, __int128_t b) {
while (b) {
a %= b;
swap(a, b);
}
return a;
}
__int128_t lcm(__int128_t a, __int128_t b) {
return a / gcd(a, b) * b;
}
const int N = 1e5 + 10;
ll n, q, a[N];
struct segtree {
struct Node {
ll mn, lazy;
Node() {
mn = lazy = 0;
}
};
vector<Node>stree;
int size = 1;
void init() {
while (size <= n) size <<= 1;
stree.assign(4 * size, Node());
build(0, 0, size);
}
void build(int x, int lx, int rx) {
if (rx - lx == 1) {
if (1 <= lx && lx <= n) {
stree[x].mn = a[lx];
}
else {
stree[x].mn = inf;
}
return;
}
int m = (lx + rx) / 2;
build(2 * x + 1, lx, m);
build(2 * x + 2, m, rx);
stree[x].mn = min(stree[2 * x + 1].mn, stree[2 * x + 2].mn);
}
void push(int x, int lx, int rx) {
if (rx - lx == 1) return;
stree[2 * x + 1].lazy += stree[x].lazy;
stree[2 * x + 2].lazy += stree[x].lazy;
stree[2 * x + 1].mn += stree[x].lazy;
stree[2 * x + 2].mn += stree[x].lazy;
stree[x].lazy = 0;
}
void upd(int l, int r, int v, int x, int lx, int rx) {
push(x, lx, rx);
if (lx >= r || rx <= l) return;
if (lx >= l && rx <= r) {
stree[x].mn += v;
stree[x].lazy += v;
return;
}
int m = (lx + rx) / 2;
upd(l, r, v, 2 * x + 1, lx, m);
upd(l, r, v, 2 * x + 2, m, rx);
stree[x].mn = min(stree[2 * x + 1].mn, stree[2 * x + 2].mn);
}
ll qry(int l, int r, int x, int lx, int rx) {
push(x, lx, rx);
if (lx >= r || rx <= l) return inf;
if (lx >= l && rx <= r) return stree[x].mn;
int m = (lx + rx) / 2;
return min(qry(l, r, 2 * x + 1, lx, m), qry(l, r, 2 * x + 2, m, rx));
}
void upd(int l, int r, int v) {
upd(l, r, v, 0, 0, size);
}
ll qry(int l, int r) {
return qry(l, r, 0, 0, size);
}
}st;
int get_first(ll h) {
int l = 1, r = n, ans = n + 1;
while (l <= r) {
int m = (l + r) / 2;
if (st.qry(m, m + 1) >= h) {
ans = m;
r = m - 1;
}
else {
l = m + 1;
}
}
return ans;
}
int get_last(ll h) {
int l = 1, r = n, ans = -1;
while (l <= r) {
int m = (l + r) / 2;
if (st.qry(m, m + 1) <= h) {
ans = m;
l = m + 1;
}
else {
r = m - 1;
}
}
return ans;
}
void solve(int tc) {
cin >> n >> q;
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
sort(a + 1, a + n + 1);
st.init();
while (q--) {
char c;
cin >> c;
if (c == 'F') {
int cnt;
ll h;
cin >> cnt >> h;
int l = get_first(h);
if(l > n) continue;
int r = l + cnt - 1;
if(r >= n){
r = n;
st.upd(l, r + 1, 1);
}else{
ll cur = st.qry(r, r + 1), nxt = st.qry(r + 1, r + 2);
if(cur == nxt){
int fr = get_first(cur);
int ls = get_last(cur);
int mnac = cnt - (fr - l);
// dbg(l);
// dbg(fr - 1);
// dbg(ls - mnac + 1);
// dbg(ls);
st.upd(l, fr, 1);
st.upd(ls - mnac + 1, ls + 1, 1);
}else{
st.upd(l, r + 1, 1);
}
}
}else{
ll L, R;
cin >> L >> R;
// cerr << "A = { ";
// for(int i = 1; i <= n; i++){
// cerr << st.qry(i, i + 1) << ' ';
// }
// cerr << "}\n";
int l = get_first(L);
int r = get_last(R);
// dbg(l);
// dbg(r);
if(l >= r){
cout << 0 << endl;
}else{
cout << r - l + 1 << endl;
}
}
}
}
void precalc() {
}
int main() {
// SetIO("in");
// stress_test;
FastIO();
int test_case = 1;
auto start = chrono::steady_clock::now();
// cin >> test_case;
precalc();
int cnt = 1;
while (test_case--) {
solve(cnt++);
}
auto end = chrono::steady_clock::now();
std::chrono::duration<double> elapsed_seconds = end - start;
cerr << "Execution: " << elapsed_seconds.count() << endl;
return 0;
}
