import java.util.*;
import java.lang.*;
import java.io.*;
import java.time.LocalTime;
import java.time.format.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		DateTimeFormatter readFormatter = DateTimeFormatter.ofPattern("H:m:s");
		LocalTime parsedDate = null;
		try {
		   parsedDate = LocalTime.parse("00:12:3", readFormatter);
		} catch(DateTimeParseException e) {
			System.out.println(e);
		}   
		System.out.print(parsedDate);
	}
}

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