{"raw_statement":[{"iden":"problem statement","content":"Three people, A, B and C, are trying to communicate using transceivers. They are standing along a number line, and the coordinates of A, B and C are $a$, $b$ and $c$ (in meters), respectively. Two people can directly communicate when the distance between them is at most $d$ meters. Determine if A and C can communicate, either directly or indirectly. Here, A and C can indirectly communicate when A and B can directly communicate and also B and C can directly communicate."},{"iden":"constraints","content":"*   $1$ $≤$ $a,b,c$ $≤$ $100$\n*   $1$ $≤$ $d$ $≤$ $100$\n*   All values in input are integers."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$a$ $b$ $c$ $d$"},{"iden":"sample input 1","content":"4 7 9 3"},{"iden":"sample output 1","content":"Yes\n\nA and B can directly communicate, and also B and C can directly communicate, so we should print `Yes`."},{"iden":"sample input 2","content":"100 10 1 2"},{"iden":"sample output 2","content":"No\n\nThey cannot communicate in this case."},{"iden":"sample input 3","content":"10 10 10 1"},{"iden":"sample output 3","content":"Yes\n\nThere can be multiple people at the same position."},{"iden":"sample input 4","content":"1 100 2 10"},{"iden":"sample output 4","content":"Yes"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}