#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;

//template
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(v) (v).begin(),(v).end()
typedef long long int ll;
const int inf = 0x3fffffff; const ll INF = 0x1fffffffffffffff; const double eps=1e-12;
template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
//end

int main(){
   int n,k; cin>>n>>k;
   vector<int> a(n); rep(i,0,n)cin>>a[i];
   ll res=0;
   rep(lb,0,n){
      int mi=inf,cnt=0;
      rep(i,lb,n){
         if(mi==a[i])cnt++;
         if(chmin(mi,a[i]))cnt=1;
         if(cnt==1 and a[lb]+a[i]==k)res+=i-lb+1;
      }
   }
   cout<<res<<endl;
   return 0;
}