import java.util.Scanner; import java.util.Arrays; import java.util.Comparator; import java.util.List; import java.util.Optional; // https://yukicoder.me/problems/no/203 public class GW203 { public static void main(String[] args) { // 標準入力から読み込む際に、Scan Scanner sc = new Scanner(System.in); // String 1つ分を読み込む String firstWeek = sc.next(); String secondWeek = sc.next(); String goldenWeek = firstWeek + secondWeek; List holidayList = Arrays.asList(goldenWeek.split("x")); Optional maxHoliday = holidayList.stream().max(Comparator.comparingInt(String::length)); System.out.println(maxHoliday); } }