#include <bits/stdc++.h>
using namespace std;
typedef int64_t ll;


void solve() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  ll n,k,t;
  cin>>n>>k>>t;
  if(abs(t-k)<n){
    cout<<"Yes"<<endl;
  }else{
    cout<<"No"<<endl;
  }
} 

int main() { solve();system("pause"); }