#include <bits/stdc++.h>

#define int long long

using namespace std;
#define rep(i,s,n) for(int i = s;i<n;i++)
#define repe(i,s,n) for(int i = s;i<=n;i++)
#define rrep(i,s,n) for(int i = (n)-1;i>=(s);i--)
#define all(v) (v).begin(),(v).end()
#define pb push_back
#define fi first
#define se second
typedef long long ll;
typedef pair<int,int>pint;
typedef vector<int>vint;
typedef vector<pint>vpint;
typedef pair<pint,int> P1;
typedef pair<int,pint> P2;
static const ll maxLL = (ll)1 << 62;
const ll MOD=1000000007,INF=1e18;
int dy[]={-1,0,1,0};
int dx[]={0,1,0,-1};

int n,A[100010];
bool aaa,bbb;
 
signed main(){
	cin>>n;
	rep(i,0,n){
	    cin>>A[i];
	    A[i]--;
	}
	int cnt=0;
	rep(i,0,n){
	    rep(j,i+1,n){
	        int a=A[i],aa=i;
	        int b=A[j],bb=j;
	        if(a>aa){
	            swap(a,aa);
	            aaa=true;
	        }
	        if(b>bb){
	            swap(b,bb);
	            bbb=true;
	        }
	        if(b<aa&&(aaa&&bbb ||!aaa&&!bbb))cnt++;
	    }
	}
	cout<<cnt<<endl;
	return 0;
}