/* Aa^~ kokoro ga pyonpyon suru n jaa^~
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*/

#include <bits/stdc++.h>
using namespace std;

using VI = vector<int>;
using VVI = vector<VI>;
using PII = pair<int, int>;
using LL = long long;
using VL = vector<LL>;
using VVL = vector<VL>;
using PLL = pair<LL, LL>;
using VS = vector<string>;

#define ALL(a)  begin((a)),end((a))
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define MT make_tuple
#define SZ(a) int((a).size())
#define SORT(c) sort(ALL((c)))
#define RSORT(c) sort(RALL((c)))
#define UNIQ(c) (c).erase(unique(ALL((c))), end((c)))

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)

#define FF first
#define SS second

template<class S, class T>
istream& operator>>(istream& is, pair<S,T>& p){
  return is >> p.FF >> p.SS;
}
template<class T>
istream& operator>>(istream& is, vector<T>& xs){
  for(auto& x: xs)
	is >> x;
  return is;
}
template<class S, class T>
ostream& operator<<(ostream& os, const pair<S,T>& p){
  return os << p.FF << " " << p.SS;
}
template<class T>
ostream& operator<<(ostream& os, const vector<T>& xs){
  for(unsigned int i=0;i<xs.size();++i)
	os << (i?" ":"") << xs[i];
  return os;
}
template<class T>
void maxi(T& x, T y){
  if(x < y) x = y;
}
template<class T>
void mini(T& x, T y){
  if(x > y) x = y;
}
void debug(istringstream&){}
template <char sep=',', class Head, class... Tail>
void debug(istringstream& iss, Head&& head, Tail&&... tail)
{
  string name;
  getline(iss, name, ',');
  cout << sep << name << "=" << head;
  debug(iss, forward<Tail>(tail)...);
}

#ifdef PYONPOI
#define DEBUG(...) \
  do{ \
    istringstream ss(#__VA_ARGS__); \
    debug<' '>(ss, __VA_ARGS__); \
    cout<<endl; \
  }while(0)
#else
#define DEBUG
#endif


const double EPS = 1e-10;
const double PI  = acos(-1.0);
const LL MOD = 1e9+7;
const int INF = 1e9;

using B = bitset<150005>;
int dp[2][300010];

int main(){
  int N, R;
  scanf("%d%d", &N, &R);

  VI xs(N);
  REP(i,N) scanf("%d", &xs[i]);
  REP(i,N) --xs[i];
  VI cnt;
  vector<bool> vis(N);
  REP(i,N){
    if(vis[i]) continue;
    int crt = i;
    cnt.PB(0);
    while(!vis[crt]){
      vis[crt] = true;
      crt = xs[crt];
      cnt.back()++;
    }
  }

#if 1
  SORT(cnt);
  
  fill((int*)dp, (int*)dp + 2*300010, INF);
  int crt = 0, nxt = 1;
  dp[crt][0] = 0;
  for(int i=0;i<SZ(cnt);){
    int w = cnt[i];
    int c = 0;
    while(i<SZ(cnt) && cnt[i]==w) ++c, ++i;

    fill((int*)dp[nxt], (int*)dp[nxt] + 300010, INF);
    for(int x=0;x<=R;++x){
      if(dp[crt][x] < INF)
        dp[nxt][x] = 0;
      
      if(x - w >= 0 && dp[nxt][x-w] + 1 <= c)
        mini(dp[nxt][x], dp[nxt][x-w] + 1);
    }
    swap(crt, nxt);
  }

  printf("%s\n", (dp[crt][R] < INF ? "Yes" : "No"));
#else
  R = min(R, N-R);
  B bit;
  bit.set(0);
  for(auto x: cnt){
    bit |= bit << x;
    if(bit[R]) break;
  }
  printf("%s\n", (bit[R]==1 ? "Yes" : "No"));
#endif
  return 0;
}



Measured memory_bytes: 7696