#include <bits/stdc++.h>  // clang-format off
using Int = long long;
#define REP_(i, a_, b_, a, b, ...) for (Int i = (a), lim##i = (b); i < lim##i; i++)
#define REP(i, ...) REP_(i, __VA_ARGS__, __VA_ARGS__, 0, __VA_ARGS__)
struct SetupIO { SetupIO() { std::cin.tie(nullptr), std::ios::sync_with_stdio(false), std::cout << std::fixed << std::setprecision(13); } } setup_io;
#ifndef dump
#define dump(...)
#endif  // clang-format on

/**
 *    author:  knshnb
 *    created: Sat Jun 13 17:03:51 JST 2020
 **/

signed main() {
    Int n, K;
    std::cin >> n >> K;
    std::vector<Int> a(n);
    REP(i, n) std::cin >> a[i];
    auto daq = [&](auto self, Int L, Int R) -> Int {
        if (R - L == 1) return 2 * a[L] == K;
        Int ret = self(self, L, (L + R) / 2) + self(self, (L + R) / 2, R);
        REP(t, 2) {
            Int M = (L + R + t) / 2;
            Int j = M;
            Int mi = 1e18;
            std::unordered_map<Int, std::pair<Int, Int>> mp;  // {cnt, sum of index}
            for (Int i = M - 1; i >= L; i--) {
                if (a[i] == mi) break;
                mi = std::min(mi, a[i]);
                while (j < R && a[j] > mi) {
                    mp[a[j]].first++;
                    mp[a[j]].second += j - M + 1;
                    j++;
                }
                ret += mp[K - a[i]].first * (M - i) + mp[K - a[i]].second;
            }
            std::reverse(a.begin() + L, a.begin() + R);
        }
        return ret;
    };
    std::cout << daq(daq, 0, n) << std::endl;
}