ThreeNumbers.java

importjava.util.*; 
importjava.io.*;

classMain {

publicstaticStringStringChallenge(Stringstr) {
// code goes here 
String[] words = str.split(" ");
intcounter = 0;
booleanlever = true;
Stringoutput;

for(Strings : words){
counter = 0;
ArrayList<Character> digits = newArrayList<Character>();

for(inti = 0; i< s.length() ; i++){
if(Character.isDigit(s.charAt(i))){
counter++;
digits.add(s.charAt(i));
 }
if(i<s.length()-2){
if(Character.isDigit(s.charAt(i)) && Character.isDigit(s.charAt(i+1)) && Character.isDigit(s.charAt(i+2))){
lever = false;
 }
 }
 }
Set<Character> set = newHashSet<Character>(digits);
if(set.size()<3){
lever=false;
 }
 }


if(lever){
output = "true";
 }else{
output = "false";
 }

returnoutput;
 }

publicstaticvoidmain (String[] args) { 
// keep this function call here 
Scanners = newScanner(System.in);
System.out.print(StringChallenge(s.nextLine())); 
 }

}