#include<iostream>
#include<fstream>
using namespace std;
int n;
#define N 100005
int a[N];
void be(istream& s)
{
	s>>n;
	int i;
	for(i=0;i<n;++i)
		s>>a[i];
}
void fel()
{
	int i,db=0;
	for(i=1;i<n-1;++i)
		if(a[i-1]<a[i]&&a[i]>=a[i+1])
			++db;
	if(a[0]==a[1])
		db++;
	if(a[n-1]==a[n-2])
		db++;
	cout<<db<<"\n";
	cout.flush();
}
int main()
{
	//ifstream f("mind1.txt");
	be(cin);
	fel();
	return 0;
}