#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define dbg(a,b,c,d) cerr<<a<<" "<<b<<" "<<c<<" "<<d<<endl;
#define kill(a) {cout<<a<<endl;continue;}
#define KILL(a) {cout<<a<<endl;return 0;}
#define debug cerr<<"Error Found"<<endl;
#define mem(a,b) memset(a,b,sizeof(a))
#define lcm(a, b) (a/__gcd(a,b))*b
#define w(t) cin>>t;while(t--)
#define pi 2 * acos(0.0)
#define endl "\n"
int t, cs = 1;
const int mxn = 1e3 + 3, mod = 1e9 + 7;
int32_t main()
{
//fast;
// w(t)
// {
int n;
cin >> n;
int k;
cin >> k;
int ar[n + 1];
for(int i = 1; i <= n; i++)cin >> ar[i];
int idx = 0, xdi = 0;
bool f = true, ff = true;
for(int i = 1, j = n; i <= n; i++, j--)
{
if(f and ar[i] != i)f = false, idx = i;
if(ff and ar[j] != j)ff = false, xdi = j;
}
int dis = xdi - idx + 1;
if(dis <= k)
{
cout <<"YES" << endl;
cout << idx <<" "<< xdi << endl;
}
else cout <<"NO" << endl;
//}
}