/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
import java.time.format.* ;
 
/* 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
	{
		System.out.println(
 
	YearMonth                                           // Represent the year and month, without a date and without a time zone.
    .from(                                              // Extract the year and month from a `LocalDate` (a year-month-day). 
        LocalDate                                       // Represent a date without a time-of-day and without a time zone.
        .parse(                                         // Get a date from an input string.        
            "1/13/2012" ,
            DateTimeFormatter.ofPattern( "M/d/uuuu" )   // Specify a formatting pattern by which to parse the input string.
        )                                               // Returns a `LocalDate` object.
    )                                                   // Returns a `YearMonth` object.
    .atEndOfMonth()                                     // Determines the last day of the month for that particular year-month, and returns a `LocalDate` object.
    .toString()                                         // Generate text representing the value of that `LocalDate` object using standard ISO 8601 format.
 
		);
	}
}

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