var Main = function (input) { var elements = input.split(""); for (var i = 0; i < elements.length; i++) { var num = elements[i].charCodeAt(0) - (i + 1); if (num < 65) { num = (num - 65) + 91; } console.log(String.fromCharCode(num)); } }; //Don't Edit this code Main(require("fs").readFileSync("/dev/stdin", "utf"));