#include <bits/stdc++.h>
using namespace std;
int main() {
    long long int n,k,t,r,l;
    cin>>n>>k>>t;
    r=t-k;
    l=t+k;
    if(r+1==n || l+1==n) cout<<"Yes\n";
    else cout<<"No\n";
    return 0;
}