Simple solution
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\n/**\n * @param {number[]} nums\n * @return {number}\n */\nvar findTheArrayConcVal = function(nums) {\n    concatenatedSum =0;\n\n    while(nums.length > 1){\n        concatenatedSum += Number(nums[0].toString() + nums[nums.length-1].toString());\n        \n        nums.shift();\n        nums.pop();\n    }\n\n    if(nums.length === 1){\n        concatenatedSum +=  nums[0];\n    }\n\n    return concatenatedSum;\n};\n```
['JavaScript']