/* 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
	{
		Instant start = Instant.now() ;
        Instant stop = start.plusSeconds( 135L ) ;
 
        Duration d = Duration.between( start , stop ) ;
 
        long minutesPart = d.toMinutes(); 
        long secondsPart = d.minusMinutes( minutesPart ).getSeconds() ;
 
        System.out.println( "Interval: " + start + "/" + stop );
        System.out.println( "d.toString(): " + d );
        System.out.println( "d.getSeconds(): " + d.getSeconds() );
        System.out.println( "Elapsed: " + minutesPart + "M " + secondsPart + "S" );
	}
}

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