#include <iostream>
#include <cmath>
#include <cstring>
using  namespace std;
class Car {
protected:
    long long int pos;

public:
    Car();                      // По умолчанию, позиция машины равна 0

    void move(int direction);   // Сдвинуться по числовой прямой на расстояние direction
                                // Если direction < 0, то влево
                                // Если direction > 0, то вправо

    int get_position();         // Узнать текущую позицию автомобиля
};
Car::Car() {
    pos = 0;
}
void Car::move(int direction) {
    pos += direction;
}
int Car::get_position() {
    return pos;
}




class Bus : public Car {
protected:
    int capacity;
    int passenger_counter;
    int *passengers;
public:
    Bus(int capacity);
    Bus();
    ~Bus();
    bool add_passenger(int destination);
    void release(int destination);
    int get_passenger_count();
};
Bus::Bus(){
  capacity = 0;
  passenger_counter = 0;
}
Bus::Bus(int capacity) {
    this->capacity = capacity;
    passengers = new int[capacity];
    passenger_counter = 0;
}
Bus::~Bus() {
    delete[] passengers;
}
bool Bus::add_passenger(int destination) {
    if (passenger_counter < capacity) {
        passengers[passenger_counter] = destination;
        passenger_counter++;
        return true;
    }
    return false;
}
void Bus::release(int destination) {
    int counter = 0;
    for (int i = 0; i < passenger_counter; ++i) {
        if (passengers[i] == destination) {
            ++counter;

            for (int j = i; j < passenger_counter ; ++j) {
                passengers[j] = passengers[j + 1];
            }
            --i;
        }
    }
    passenger_counter -= counter;
}
int Bus::get_passenger_count() {
    return passenger_counter;
}




class Trolleybus: public Bus{
  int L;
  int R;
public:
  Trolleybus(int P, int C, int L, int R);
  void move(int direction);

};

Trolleybus::Trolleybus(int P,int C, int L, int R){
  Bus(C){
    pos = P
    this->L = L
    this->R = R
  }
}


int main() {
    int N, cost;
    cin >> N;
    cin >> cost;
    Bus lol(cost);
    for (int i = 0; i < N; ++i) {
        char a[20];
        cin >> a;
        if (a[0] == 'M') {
            int x;
            cin >> x;
            lol.move(x);
        }
        if (a[0] == 'P') {
            if (strlen(a) == 9) {
                int k;
                cin >> k;
                if (lol.add_passenger(k))
                    cout << "SUCCESS" << endl;
                else
                    cout << ":(" << endl;
            }
            if (strlen(a) == 8) {
                cout << lol.get_position() << endl;
            }
            if (strlen(a) == 10) {
                cout << lol.get_passenger_count() << endl;
            }
        }
        if (a[0] == 'R') {
            int b = lol.get_position();
            lol.release(b);
        }
    }
}