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  Truongduyhung_lop9  commented on Oct. 17, 2024, 7:19 a.m.

  YES

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  Baoloc2110  commented on Oct. 17, 2024, 7:18 a.m.

  include <bits/stdc++.h>

  using namespace std; long long A,B,C,D; int main(){ cin>>A>>B>>C>>D; if(max({A,B,C})-min({A,B,C})<=D)cout<<"Yes"; else cout<<"No"; return 0; }