#include <bits/stdc++.h>
using namespace std;
int main() {
  int A, B, X;
  cin >> A >> B >> X;
  if (A == B && B == X)
    cout << "Yes";
  else if (A <= X && A + B > X)
    cout << "Yes";
  else
    cout << "No";
  return 0;
}
