#include <bits/stdc++.h>

using namespace std;

#ifndef ACMTUYO
#define cin lala
ifstream cin;
#define cout coco
ofstream coco;
#endif

typedef long long int ll;

int main() {
	#ifndef ACMTUYO
	cin = ifstream("injurious.in");
	cout = ofstream("injurious.out");
	#endif
	int n;
	cin>>n;
	vector <set<int> > v(1000000);
	vector <int> v1;

	for(int i=0;i<n;i++){
		int a;
		cin>>a;

		v[a].insert(i);
		v1.push_back(a);
	}

	for(int i=0;i<n;i++){
		for(int j=i+1;j<n;j++){

			int r=2*v1[j]-v1[i];
			if(r<0){
				continue;
			}
			set <int>::iterator it;
			it=v[r].upper_bound(j);

			if(it!=v[r].end()){
				cout<<"Yes"<<endl;
				cout<<i<<" "<<j<<" "<<*it<<endl;
				return 0;
			}
		}

	}
	cout<<"No"<<endl;
}