A data/sample/1.in data/sample/1.ans A data/sample/2.in data/sample/2.ans A data/sample/3.in data/sample/3.ans A data/secret/secret01.in data/secret/secret01.ans A data/secret/secret02.in data/secret/secret02.ans A data/secret/secret03.in data/secret/secret03.ans A data/secret/secret04.in data/secret/secret04.ans A data/secret/secret05.in data/secret/secret05.ans A data/secret/secret06.in data/secret/secret06.ans A data/secret/secret07.in data/secret/secret07.ans