H. Alternating casetime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a string consisting of alphabet letters. Convert it to alternating case: the letters on odd positions should be in uppercase, and the letters on even positions should be lowercase. The letters are numbered staring from 1.InputThe only line of input contains a string between 1 and 100 characters long. Each character of the string is either an uppercase ('A'-'Z') or a lowercase ('a'-'z') letter.OutputOutput the resulting string.ExamplesInputCodeforcesOutputCoDeFoRcEsInputVKCupOutputVkCuP
InputCodeforces
OutputCoDeFoRcEs
['*special problem', '*1800']