to money new aeonic blaster ranger Qwerty decide engage trade he want buy number item probably buy planet sell buy item planet note operation repeat buying selling to carry plan Qwerty go bank loan cover expense return loan money end operation money return interest at time Querty want profit possiblethe system n planet total on Qwerty buy sell item m type food medicine weapon alcohol for planet type item j Qwerty know follow aij cost buying item bij cost sell item cij number remain itemsIt allow buy cij item type j planet allow sell number item kindknowing hold Qwertys ship room k item determine maximum profit qwerty