give string s low upper case English lettersA good string string do not adjacent character si si 1 where0 slength 2si lowercase letter si 1 letter uppercase viceversaTo string good choose adjacent character stre bad remove you string goodReturn string make good the answer guarantee unique give constraintsNotice string good Example 1input s leeeetcodeoutput leetcodeexplanation in step choose 1 2 result leEeetcode reduce leetcodeExample 2input s abbaccoutput Explanation we possible scenario lead answer for exampleabBAcC aAcC cc abBAcC abba aa Example 3input s sOutput s constraints1 slength 100s contain low upper case english letter