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#pragma GCC optimize("Ofast,no-stack-protector")
#pragma GCC target("avx")

#include <cstdio>
#include <cctype>

#define fin stdin
//FILE *fin = fopen("a.in", "r");

#define BUF_SIZE 1 << 16

int pos = BUF_SIZE;
char buf[BUF_SIZE];

inline char nextch() {
    if (pos == BUF_SIZE) fread(buf, BUF_SIZE, 1, fin), pos = 0;
    return buf[pos++];
}

inline int read() {
    char ch;
    while (!isdigit(ch = nextch()));
    int x = ch - '0';
    while (isdigit(ch = nextch())) x = 10 * x + ch - '0';
    return x;
}

#define MAXN 100005

int v[MAXN];

int main() {
    int n = read();
    int m = read();

    for (int i = 1; i <= n; i++)
        v[i] = read();

    for (; m; m--) {
        int t = read();
        int l = read();
        int r = read();
        int x = read();

        if (t == 1) {
          if (r-l+1&1) v[r] -= v[r]>x?x:0, --r;
            for (register int i = l; i <= r; i += 2) {
                v[i] -= v[i] > x ? x : 0;
                v[i + 1] -= v[i + 1] > x ? x : 0;
            }
        } else {
            int ans = 0;
            if (r-l+1&1)ans+=v[r]==x, --r;
            for (register int i = l; i <= r; i += 2) {
              ans+=v[i]==x;
              ans+=v[i+1]==x;
            }
            printf("%d\n", ans);
        }
    }

    return 0;
}