#include <iostream>
#include <vector>
using namespace std;

void ParseQuery(int QueryId, int x);
void Connect(int x);
void Separate(int x);
void Remodel(int x);
void Attr(int x);

std::vector<int> CoolVals;
std::vector<int> ConnectInfo;

int main() {
    int CarQty, QueryQty;
    scanf("%d%d", &CarQty, &QueryQty);
    for (int i = 0; i < CarQty; i++) {
        int Val;
        scanf("%d", &Val);
        CoolVals.push_back(Val);
        ConnectInfo.push_back(false);
    }
    while (QueryQty-->0) {
        int QueryId, x;
        scanf("%d%d", &QueryId, &x);
        ParseQuery(QueryId, x-1);
    }
    return 0;
}

void ParseQuery(int QueryId, int x) {
    switch (QueryId)
    {
    case 1:
        Connect(x);
        break;
    case 2:
        Separate(x);
        break;
    case 3:
        Remodel(x);
        break;
    case 4:
        Attr(x);
        break;
    default:
        break;
    }
}

void Connect(int x) {
    ConnectInfo[x] = true;
}

void Separate(int x) {
    ConnectInfo[x] = false;
}

void Remodel(int x) {
    CoolVals[x]++;
}

void Attr(int x) {
    int CarPos = x;
    while (CarPos != 0 && ConnectInfo[CarPos-1] == true) {
        CarPos--;
    }
    int Attr = 0;
    do {
        Attr += CoolVals[CarPos];
    } while (ConnectInfo[CarPos++] == true);
    printf("%d\n", Attr);
}