#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define f first
#define s second
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define IAMSPEED ios_base::sync_with_stdio(0); cin.tie(0);

const int inf = 2e9;
const ll infll = 1e18;
const int M = 1000000007;
const int N = 1000;

int n, k, e ;

int main(){
    IAMSPEED
    cin >> n >> k >> e;
    cout << (n - e <= 1 ? "Yes" : "No");
}