#include <bits/stdc++.h>
#define ALL(x) begin(x), end(x)
#define All(x, l, r) &x[l], &x[r] + 1
using namespace std;
void file() {
  freopen("1.in", "r", stdin);
  freopen("1.out", "w", stdout);
}
using ll = long long;
template <typename T> using vec = vector<T>;

const int kLim = 5e5 + 5;
int n;
array<ll, kLim> a;

int32_t main() {
//  file();
  ios::sync_with_stdio(0); cin.tie(0);
  cin >> n;
  for(int i = 1; i <= n; i++) cin >> a[i];
  if(n <= 100) {
    for(int i = 1; i <= n; i++)
      for(int j = i + 1; j <= n; j++)
        for(int k = j + 1; k <= n; k++)
          for(int p = k + 1; p <= n; p++)
            if(a[j] / a[i] == a[p] / a[k]) {
              cout << "YES\n";
              cout << i << " " << j << " " << k << " " << p << "\n";
              return 0;
            }
    return cout << "NO\n", 0;
  }
  for(int i = 1; i < n; i++)
    if(a[i + 1] / a[i] == 1) {
      cout << i << " " << i + 1 << " ";
      break;
    }
  for(int i = n - 1; i; i--)
    if(a[i + 1] / a[i] == 1) {
      cout << i << " " << i + 1 << "\n";
      break;
    }
  return 0;
}