#include<iostream>
#include<vector>
#include<string>
using namespace std;

#define FOR(k,m,n) for(int (k)=(m);(k)<(n);(k)++)
#define rep(i,n) FOR((i),0,(n))

typedef long long ll;

const int INF=1e9+7;
const int MAX_N=2*1e5+5;
int a[MAX_N];
bool used[MAX_N];
int dep(int now,int from){
	used[now]=true;
	if(now==from)return 1;
	return dep(a[now],from)+1;
}
int main(){
	fill(used,used+MAX_N,false);
	ll n,k;
	cin>>n>>k;
	ll ans=0;
	rep(i,n){
		int x;
		cin>>x;
		if(x!=i+1)ans++;
		a[i+1]=x;
	}
	int max_d=0;
	rep(i,n){
		if(!used[i])max_d=dep(a[i],i);
	}
	ans=ans/2+(ans%2);
	if(k<ans)cout<<"NO"<<endl;
	else if((k-ans)%2==0)cout<<"YES"<<endl;
	else if(max_d>=3)cout<<"YES"<<endl;
	else if(max_d==2){
		if(k-ans-2>=0)cout<<"YES"<<endl;
		else cout<<"NO"<<endl;
	}
	else {
		if(k-ans-4>=0 || k-ans==2)cout<<"YES"<<endl;
		else cout<<"NO"<<endl;
	}
}