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

void solve() {
    int n,k;
    cin >> n >> k;
    vector<int> a(n),b(n);
    for(int i = 0; i < n; i++) {
        cin >> a[i];
        b[i] = a[i];
    }
    sort(b.begin(),b.end());
    int l = -1, r;
    for(int i = 0; i < n; i++) {
        if(a[i] != b[i]) {
            r = i;
            if(l == -1) l = i;
        }
    }
    if(l == -1) cout << "YES\n" << 1 << ' ' << 1 << '\n';
    else if(r - l + 1 <= k) cout << "YES\n" << l + 1 << ' ' << r + 1 << '\n';
    else cout << "NO\n";
    return;
}

int32_t main() {
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    int tc = 1;
    // cin >> tc;
    for(int kase = 1; kase <= tc; kase++) {
        //cout << "Case " << kase << ": ";
        solve();
    }
    return 0;
}