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

#define ll long long int
#define ld long double
#define endl '\n'
#define MIR183_PC ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define yes cout << "YES" << endl
#define no cout << "NO" << endl

void solve() {
    // Your code here
    ll n,k;
    cin>>n>>k;
    vector<ll> v(n+1);
    for(ll i=1;i<=n;i++) cin>>v[i];
    ll i,j;
    for(i=1;i<=n;i++){
        if(v[i]!=i) break;
    }
    for(j=n;j>=1;j--){
        if(v[j]!=j) break;
    }
    ll dif=j-i+1;
    if(dif<=k){
        yes;
        cout<<i<<" "<<j<<endl;
    }
    else cout<<"NO"<<endl;
}

signed main() {
    MIR183_PC;
    // Always use ll, int may give TLE
    ll tt;
    tt=1;
    // cin >> tt;
    while (tt--) {
        solve();
    }
    return 0;
}