/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.time.LocalTime;
 
/* 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
	{
		LocalTime t1 = LocalTime.of(0, 1, 42, 519000000);
		LocalTime t2 = LocalTime.of(0, 2, 13, 217000000);
 
		LocalTime diff= t2.minusNanos(t1.toNanoOfDay());
		System.out.println(diff);
 
	}
}

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