#include <iostream>
#include <sstream>
#include <iomanip>
#include <vector>
#include <string>
#include <map>
#include <set>
#include <algorithm>
#include <numeric>
#include <iterator>
#include <functional>
#include <complex>
#include <queue>
#include <stack>
#include <cmath>
#include <cassert>
#include <cstring>
using namespace std;
typedef long long LL;
typedef complex<double> CMP;

class MagicalGirlLevelOneDivOne { public:
	string isReachable(vector <int> jumpTypes, int x, int y)
	{
		bool hasEven = false;
		for(int i=0; i<jumpTypes.size(); ++i)
			if( jumpTypes[i]%2 == 0 )
				hasEven = true;
		if( hasEven )
			return "YES";
		else
			return (x+y)%2==0 ? "YES" : "NO"; 
	}
};

// BEGIN CUT HERE
#include <ctime>
double start_time; string timer()
 { ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
 { os << "{ ";
   for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
   os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
void verify_case(const string& Expected, const string& Received) {
 bool ok = (Expected == Received);
 if(ok) cerr << "PASSED" << timer() << endl;  else { cerr << "FAILED" << timer() << endl;
 cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
#define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
#define END	 verify_case(_, MagicalGirlLevelOneDivOne().isReachable(jumpTypes, x, y));}
int main(){

CASE(0)
	int jumpTypes_[] = {2};
	  vector <int> jumpTypes(jumpTypes_, jumpTypes_+sizeof(jumpTypes_)/sizeof(*jumpTypes_)); 
	int x = 5; 
	int y = 4; 
	string _ = "YES"; 
END
CASE(1)
	int jumpTypes_[] = {3};
	  vector <int> jumpTypes(jumpTypes_, jumpTypes_+sizeof(jumpTypes_)/sizeof(*jumpTypes_)); 
	int x = 5; 
	int y = 4; 
	string _ = "NO"; 
END
CASE(2)
	int jumpTypes_[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
	  vector <int> jumpTypes(jumpTypes_, jumpTypes_+sizeof(jumpTypes_)/sizeof(*jumpTypes_)); 
	int x = 1000000000; 
	int y = -999999999; 
	string _ = "YES"; 
END
CASE(3)
	int jumpTypes_[] = {999999999};
	  vector <int> jumpTypes(jumpTypes_, jumpTypes_+sizeof(jumpTypes_)/sizeof(*jumpTypes_)); 
	int x = 999999999; 
	int y = 0; 
	string _ = "NO"; 
END
/*
CASE(4)
	int jumpTypes_[] = ;
	  vector <int> jumpTypes(jumpTypes_, jumpTypes_+sizeof(jumpTypes_)/sizeof(*jumpTypes_)); 
	int x = ; 
	int y = ; 
	string _ = ; 
END
CASE(5)
	int jumpTypes_[] = ;
	  vector <int> jumpTypes(jumpTypes_, jumpTypes_+sizeof(jumpTypes_)/sizeof(*jumpTypes_)); 
	int x = ; 
	int y = ; 
	string _ = ; 
END
*/
}
// END CUT HERE
