#include <cstdio>
#include <ctype.h>
#define BUF_SIZE (1<<17)
#define DIM (1<<18)

char buf[BUF_SIZE], buf2[BUF_SIZE];
int n, m, pos = BUF_SIZE, pos2, l1, l2, poz, lazy[DIM];

FILE *fin, *fout;

inline char getChar();
inline int getInt();
inline void putch(char);
inline void scrie(int);

void update(int st, int dr, int nod, int t)
{
    if(l1 <= st && dr <= l2){
        lazy[nod] += t;
        return;
    }

    int m = (st+dr)/2;
    if(l1 <= m)
    {

int main()
{
    fin = fopen("hotel.in", "r");
    fout = fopen("hotel.out", "w");

    int i, a, x, y;

    n=getInt(); m=getInt();

    dfs(1, n, 1);

    for(i=1;i<=m;++i)
    {
        a = getInt();
        if(a == 3)
        {
            scrie(query());
            putch('\n');
        }
        if(a == 2 || a==1)
        {
            x = getInt();
            y = getInt();
            l1 = x;
            l2 = x + y - 1;
            val = (a == 2 ? -1 : 1);
            update(1, n, 1);
        }
    }
    fwrite(buf2, 1, pos2, fout);

    fclose(fin);
    fclose(fout);

    return 0;
}

inline char getChar()
{
    if(pos == BUF_SIZE) pos = 0, fread(buf, 1, BUF_SIZE, fin);
    return buf[pos++];
}
inline int getInt()
{
    int nr = 0;
    char c;

    c=getChar();
    while(!isdigit(c)) c=getChar();
    while(isdigit(c))
    {
        nr = nr*10 + c-'0';
        c = getChar();
    }
    return nr;
}
inline void putch(char c)
{
    buf2[pos2++] = c;
    if(pos2 == BUF_SIZE) fwrite(buf2, 1, BUF_SIZE, fout);
}
inline void scrie(int nr)
{
    char s[10];
    int k=0;

    do
    {
        s[k++] = nr%10 + '0';
        nr/=10;
    }while(nr);

    while(k)
    {
        --k;
        putch(s[k]);
    }
}