#include <bits/stdc++.h>
using namespace std;
 
int main() {
	int n,k,cont=0;
	cin>>n>>k;
	int arr[n+3],arr2[103];
 
	set<int>st;
	set<int>::iterator it;
	vector<int>vr;
	for(int i=1;i<=n;++i){
		cin>>arr[i];
		arr2[arr[i]]=i;
		st.insert(arr[i]);
	}
 
     	for(it=st.begin();it!=st.end();++it)
     	vr.push_back(*it);
 
	if(st.size()<k){
		cout<<"NO";
	}
 
 
 
	else{
		cout<<"YES\n";
		for(int i=0;i<k;++i){
			cout<<arr2[vr[i]]<<" ";
		}
	}
	return 0;
}

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