[1,2,3,4,5].reduceRight((acc, val) => acc+=val, 0);

{"ScriptPreparationCode":"[1,2,3,4,5].reverse().reduce((acc, val) =\u003E acc\u002B=val, 0);","TestCases":[{"Name":"hjgffghgf","Code":"true","IsDeferred":false},{"Name":"hgfhgfhgfh","Code":"true","IsDeferred":false}]}