#include <iostream>
using namespace std;
bool avail(int n,int arr[]){
	int p[n];
	int s[n];
	p[0]=arr[0];
	s[n-1]=arr[n-1];
	for(int i=1;i<n;i++){
		p[i]=min(p[i-1],arr[i]);
	}
	for(int i=n-2;i>=0;i--){
		s[i]=max(s[i+1],arr[i]);
	}
	for(int i=1;i<=n-2;i++){
		if(arr[i]>p[i-1] && arr[i]<s[i+1]){
			return true;
		}
	}
	return false;
}
 
int main() {
	// your code goes here
	int n;
	cin>>n;
	int arr[n];
	for(int i=0;i<n;i++){
		cin>>arr[i];
	}
	if(avail(n,arr)){
		cout<<"There exits triplets";
	}
	else{
		cout<<"There does exits triplets";
	}
	return 0;
}

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