#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<ll, ll> p_ll;

template<class T>
void debug(T itr1, T itr2) { auto now = itr1; while(now<itr2) { cout << *now << " "; now++; } cout << endl; }
#define repr(i,from,to) for (int i=(int)from; i<(int)to; i++)
#define all(vec) vec.begin(), vec.end()
#define rep(i,N) repr(i,0,N)
#define per(i,N) for (int i=(int)N-1; i>=0; i--)

const ll MOD = pow(10,9)+7;
const ll LLINF = pow(2,61)-1;
const int INF = pow(2,30)-1;

vector<ll> fac;
void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; }
ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; }
ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; }
ll gcd(ll a, ll b) { if (a<b) swap(a,b); return b==0 ? a : gcd(b, a%b); }
ll lcm(ll a, ll b) { return a/gcd(a,b)*b; }

vector<ll> A;
vector<vector<vector<ll>>> dp;

ll dfs(ll l, ll r, ll t) {
  if (dp[l][r][t]!=-1) return dp[l][r][t];
  ll result = 0;
  if (l==r) result = 1;
  else if (t==0) {
    if (A[l]>=A[r]) result = dfs(l,r-1,0);
    else return result = max(dfs(l,r-1,0), dfs(l+1,r,1)+1);
  }
  else {
    if (A[l]<=A[r]) result = dfs(l+1,r,1);
    else result = max(dfs(l+1,r,1), dfs(l,r-1,0)+1);
  }
  // cout << l << " " << r << " " << t << "->" << result << endl;
  return dp[l][r][t] = result;
}

int main() {
  ll N; cin >> N;
  A.resize(N); rep(i,N) cin >> A[i];

  dp.resize(N); rep(i,N) { dp[i].resize(N); rep(j,N) dp[i][j].resize(2,-1); }
  ll result = max(dfs(0,N-1,0), dfs(0,N-1,1));
  cout << result << endl;
  return 0;
}