importPackage(java.io);
importPackage(java.lang);
// your code goes here
function maxOfSumChain(arr,k){
var array = [];
for(var i = 0; i < arr.length-k; i++){
var sum = 0;
for(var x = i; x <= k + x; x ++){
sum += arr[x];
}
array.push(sum);
}
console.log(array);
var max = array[0];
for(var x = 0; x < array.length; x ++){
if(array[x] > max){
max = array[x];
}
}
return max;
}
console.log(maxOfSumChain([1,3,2],2));
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