#define _CRT_SECURE_NO_WARNINGS #include <set> #include <map> #include <list> #include <queue> #include <stack> #include <cmath> #include <ctype.h> #include <ctime> #include <cstdio> #include <vector> #include <string> #include <bitset> #include <cctype> #include <cstdlib> #include <cstring> #include <utility> #include <numeric> #include <complex> #include <sstream> #include <fstream> #include <iomanip> #include <cassert> #include <iostream> #include <iterator> #include <algorithm> #define aLL(g) (g).begin(),(g).end() #define REP(i, x, n) for(int i = x; i < n; i++) #define rep(i,n) REP(i,0,n) #define F(i,j,k) fill(i[0],i[0]+j*j,k) #define P(p) cout<<(p)<<endl; #define EXISt(s,e) ((s).find(e)!=(s).end()) #define INF 1<<25 #define MAX 100000000 #define PI 3.14159265258979 #define pb push_back using namespace std; typedef vector<int> vi; typedef vector<long long> vl; typedef vector<double> vd; typedef pair<int, int> pii; typedef pair<long, long> pll; typedef long long ll; int dx[] = { 0, 1, 0, -1 }; int dy[] = { -1, 0, 1, 0 }; int sttoi(std::string str) { int ret; std::stringstream ss; ss << str; ss >> ret; return ret; } bool sort_greater(const pair<string, int> &a, const pair<string, int> &b) { return a.second > b.second; } void solve() { int l, m, n; cin >> l >> m >> n; if (l == 1){ if (n == 1 || n == m){ P("YES"); return; } else{ P("NO"); return; } } else if (m == 1){ if (n == 1 || n == l){ P("YES"); return; } else{ P("NO"); return; } } else{ if (l % 2 != 0 && m % 2 != 0){ P("NO"); return; } else{ P("YES"); return; } } } int main() { solve(); return 0; }