#include<bits/stdc++.h>
#define ll long long
using namespace std;

int main() {
  /*int t;
  cin >> t;
  while (t--){*/
    ll n, k, l = -1, r = -1;
    cin >> n >> k;
    set<int> s;
    vector<int> a(n), b(n);
    for (int i = 0; i < n; i++){
      cin >> a[i];
      s.insert(a[i]);
      b[i] = a[i];
    }
    if (s.size() != n){
      cout << "NO" << endl;
      return 0;
    }
    sort(b.begin(), b.end());
    for (int i = 0; i < n; i++){
      if (a[i] != b[i]){
        l = i + 1;
        int j = i;
        while (j < n && a[j] != b[j]) j++;
        if (j == n) l = -1;
        else r = j;
        for (int q = j; q < n; q++){
          if (a[q] != b[q]) l = -1;
        }
        break;
      }
    }
    if (l == -1 || r - l + 1 > k){
      cout << "NO" << endl;
    } else {
      cout << "YES\n" << l << " " << r << endl;
    }
    return 0;
}