#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES

#include "bits/stdc++.h"
using namespace std;
#define rep(i,n) for (int i=0;i<(n);++i)
#define rep2(i,a,b) for (int i=(a);i<(b);++i)
#define rrep(i,n) for (int i=(n)-1;i>=0;--i)
#define rrep2(i,a,b) for (int i=(a)-1;i>=b;--i)
#define chmax(a, b) (a = (a) < (b) ? (b) : (a))
#define chmin(a, b) (a = (a) > (b) ? (b) : (a))
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
#define all(a) begin(a),end(a)
#define ifnot(a) if(not (a))
#define dump(x)  cerr << #x << " = " << (x) << endl
// #define int ll
#ifdef _MSC_VER
const bool test = true;
#else 
const bool test = false;
#endif

int dx[] = { 1,0,-1,0 };
int dy[] = { 0,1,0,-1 };
const int INF = 1 << 28;
const ll INFL = (ll)1 << 58;
ll mod = (int)1e9 + 7;
const double eps = 1e-10;
typedef long double Real;
// return -1, 0, 1
int sgn(const Real& r) { return (r > eps) - (r < -eps); }
int sgn(const Real& a, const Real &b) { return sgn(a - b); }

//.....................
const int MAX = (int)2e5 + 5;

int H, W;

bool ng(int y, int x) {
	return y < 0 || H <= y || x < 0 || W <= x;
}

std::vector<std::string> split(const std::string &str, char sep)
{
	std::vector<std::string> v;
	std::stringstream ss(str);
	std::string buffer;
	while (std::getline(ss, buffer, sep)) {
		v.push_back(buffer);
	}
	return v;
}

ll N, K;
vector<ll> d;
vector<ll> d_rev;

void solve() {
	cin >> N >> K;
	d.resize(N+1);
	d_rev.resize(N + 1);
	d[0] = 0;
	d_rev[0] = 0;
	rep2(i, 1, N + 1) {
		cin >> d[i];
		d_rev[d[i]] = i;
	}

	if (test) {
		rep(i, N + 1) {
			cout << d_rev[i] << " ";
		}
		cout << endl;
	}

	ll cnt = 0;
	rep(i, N + 1) {
		if (d[i] != i) {
			int id = d_rev[i];
			if (test) {
				dump(i);
				dump(d[i]);
				dump(id);
				cerr << endl;
			}

			d_rev[d[i]] = id;
			d[id] = d[i];

			d[i] = i;
			d_rev[i] = i;
			cnt++;
		}
	}
	if (test) {
		rep(i, N + 1) cout << d[i] << " ";
		cout << endl;

		rep(i, N + 1) cout << d_rev[i] << " ";
		cout << endl;
	}
	dump(cnt);
	if (cnt > K || (K - cnt) % 2 == 1) {
		cout << "NO" << endl;
	}
	else cout << "YES" << endl;
}

signed main() {
	int T = 10;
	cout << fixed << setprecision(15);
	rep(i, T) {
		char s[MAX];
		if (scanf("%s", s) == EOF) break;
		int n = strlen(s);
		for (int i = n - 1; i > -1; i--) {
			ungetc(s[i], stdin);
		}
		solve();
	}
	return 0;
}