/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.time.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
 
    LocalDateTime primeiraData = LocalDateTime.of(2017, Month.JANUARY, 10, 14, 00, 00);
    LocalDateTime segundaDate = LocalDateTime.of(2017, Month.JANUARY, 10, 16, 30, 00);
 
    Duration testeDuration = Duration.between(primeiraData, segundaDate);
    long s = testeDuration.getSeconds();
    System.out.println("Resultado: " + String.format("%d:%02d", s / 3600, (s % 3600) / 60));
 
 
	}
}

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