package com.dimitrisli.springJdbcOracle.testsql;

import java.util.; import java.io.;

class Main { public static String LongestWord(String sen) {

// code goes here
/*
 * Note: In Java the return type of a function and the parameter types being passed are defined,
 * so this return call must match the return type of the function. You are free to modify the
 * return type.
 */
int maxLength = 0;
int curWordLength = 0;
int curPuncLen = 0; // maintian this to return wors with punctuations
String longestWord = "";
char[] senArr = sen.toCharArray();
for (int i = 0; i < senArr.length; i++) {
  if (!isPunctuation(senArr[i]) && senArr[i] != ' ') { // not a punctuation and not space
                                                       // increase length
    curWordLength++;
  }
  if (isPunctuation(senArr[i])) {
    curPuncLen++;
  }
  if (senArr[i] == ' ' || (i== (sen.length()-1)) ) { // space or the index of the last character, can be the stopp
    if (curWordLength > maxLength) {
      // reset the fields
      maxLength = curWordLength;
      longestWord = sen.substring(i - ((curWordLength + curPuncLen)), i);
      curWordLength = 0;
      curPuncLen = 0;
    } else { // reset the counters even if the stop conditions are not reached
      curWordLength = 0;
      curPuncLen = 0;
    }
  }

}


return longestWord;

}

private static boolean isPunctuation(char c) { return c == ',' || c == '.' || c == '!' || c == '?' || c == ':' || c == ';'; }

public static void main(String[] args) { // keep this function call here Scanner s = new Scanner(System.in); System.out.print(LongestWord(s.nextLine())); }

}