#include <bits/stdc++.h>
#define ff first
#define ss second
using namespace std;
typedef pair<int, int> ii;
typedef pair<int, ii> pii;
const int maxn = 250001;
int n, a;
int v[maxn];
int d[maxn];
vector<int> ans;
inline void f()
{
ans = {a};
int l = a-1, r = a+1;
d[a] = 0;
for (int i = 1; i < n; i++) {
if (l > 0 and r <= n) {
if (v[l] < v[r])
d[l] = i, l--, ans.push_back(l+1);
else
d[r] = i, r++, ans.push_back(r-1);
}
else if (l == 0)
d[r] = i, r++, ans.push_back(r-1);
else d[l] = i, l--, ans.push_back(l+1);
}
// for (int i : ans)
// cout << i << " ";
// cout << "\n";
}
set<pii> st;
inline void fix(int pos, int x, int old)
{
for (int i = 1; i <= n; i++) {
if (i == pos) continue;
if (v[i] <= x and v[i] > old)
v[i]--;
}
v[pos] = x;
// cout << "\n";
// for (int i = 1; i <= n; i++)
// cout << v[i] << " ";
// cout << "\n\n";
}
int tmd[maxn];
inline void fix2()
{
int at= n;
for (pii x : st)
v[x.ss.ss] = at--;
f();
for (int i = 1; i <= n; i++)
v[i] = n-v[i]+1;
st.clear();
for (int i = 1; i <= n; i++)
st.insert({v[i],{tmd[i], i}});
}
int main()
{
ios_base::sync_with_stdio(false), cin.tie(0);
cin >> n >> a;
for (int i = 1; i <= n; i++)
cin >> v[i], st.insert({n-v[i]+1,{0, i}}), v[i] = n-v[i]+1;
int q;
cin >> q;
int tim = -1;
while (q--) {
char op;
cin >> op;
if (op == 'E') {
if (n > 25000) {
int pos, x;
cin >> pos >> x;
fix(pos, n-x+1, v[pos]);
f();
}
else {
int pos, x;
cin >> pos >> x;
st.erase(pii(v[pos], ii(tmd[pos], pos)));
st.insert(pii(x, ii(tim, pos)));
tmd[pos] = tim;
v[pos] = x;
// fix2();
}
}
else {
int pos;
cin >> pos;
if (n > 25000)
cout <<d[pos] << "\n";
else {
fix2();
// f();
cout <<d[pos] << "\n";
}
}
tim--;
}
}
