CF 486A

#include<bits/stdc++.h>

using namespace std;

///Template
#define in1()	freopen("E:\\Random Programs\\template\\test_input.txt", "r", stdin)
#define out1()	freopen("E:\\Random Programs\\template\\test_output.txt", "w", stdout)
#define in2(f)	freopen("f", "r", stdin)
#define out2(f)	freopen("f", "w", stdout)

//Datatypes
#define l		long
#define ll		long long
#define llu		unsigned long long

//loop
#define f1(i,x,y)	for(int i=x;i<=y;i++)

bool flag[111];

int main()
{
	//in1();
	//out1();
	int n, k;
	cin>>n>>k;
	int a[111];
	vector<int> v;

	f1(i,1,n){
		cin>>a[i];

		if(flag[a[i]]==0){
			v.push_back(i);
			flag[a[i]]=1;
		}
	}

	int m=v.size();

	if(m<k) cout<<"NO"<<endl;
	else{
		cout<<"YES"<<endl;
		for(int i=0;i<k;i++){
			cout<<v[i];
			if(i==k-1) cout<<endl;
			else cout<<" ";
		}
	}

	return 0;
}