#ifdef LOCAL
#include <C:\Users\onlin\Desktop\competitive_programming\codes\debug.hpp>
#else
#define dbg(x)
#define dbgl(x)
#define dbgvec(v)
#define DBG_OF(i, v)
#endif
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define all(v) v.begin(),v.end()
bool testcases=0;
int dx[]={-1,1,-1,1,2,2,-2,-2};
int dy[]={-2,-2,+2,2,-1,1,-1,1};
const int MOD=1e9+7;
const int inf=1e12;
const int ranint=65729178;
const int mynum=21;
const int N=1e6;
const int siz=N+mynum;
const int tsiz=4*siz;
void solve(){
int n;
cin>>n;
int x;
cin>>x;
vector<int> v(n+2);
v[n+1]=0;
v[0]=0;
for(int i=1;i<=n;i++)cin>>v[i];
vector<int> vc=v;
for(int i=1;i<=n;i++){
v[i]-=x;
}
array<int,2> pref[n+1],suf[n+2];
vector<int> lis;
reverse(vc.begin()+1,vc.begin()+n+1);
for(int i=1;i<=n;i++){
auto it=lower_bound(all(lis),v[i]);
if(it==lis.end()){
lis.push_back(v[i]);
}
else{
lis[it-lis.begin()]=v[i];
}
pref[i]={lis.size(),lis.back()};
}
suf[n+1]={0,0};
suf[0]=suf[n+1];
lis.clear();
for(int i=1;i<=n;i++){
auto it=lower_bound(all(lis),vc[i]);
if(it==lis.end()){
lis.push_back(vc[i]);
}
else{
lis[it-lis.begin()]=vc[i];
}
suf[i]={lis.size(),*lis.begin()};
}
reverse(suf+1,suf+n+1);
int ans=suf[1][0];
for(int i=1;i<=n;i++){
auto [sval,snum]=suf[i+1];
auto [pval,pnum]=pref[i];
if(snum>pnum)ans=max(ans,pval+sval);
}
cout<<ans<<endl;
}
signed main() {
iostream::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t=1;
if(testcases)cin>>t;
while(t--){
solve();
}
}
