#include <stdio.h> #include <stdlib.h> #include <iostream> #include <algorithm> using namespace std; int main() { int N,M,X; cin>>N>>M>>X; int uso,nokori; uso = N-M; nokori = N-X; if((uso==0)&&(nokori>=3)){ cout<<"YES"<<endl; return 0; } else if((uso==0)&&(nokori<=2)){ cout<<"NO"<<endl; return 0; } if((M>=nokori)&&(M>=3)){ cout<<"YES"<<endl; } else{ cout<<"NO"<<endl; } return 0; }