#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int m, d, s;
vector<int> v;

int main() {
	cin >> m >> d;
	while (m--) {
		int a;
		char c;
		cin >> c >> a;
		if (c == 'A') {
			a += s;
			v.push_back(a);
		}
		else {
			s = 0;
			for (int i = v.size() - a; i < v.size(); i++) {
				s = max(v[i] % d, s);
			}
			cout << s % d << endl;
		}
	}
	return 0;
}```
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