/* 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
	{
		String month = "09";
		String year = "2014";
		YearMonth ym = YearMonth.parse( String.join( "-" , year , month ) ) ;
		System.out.println( ym.toString() ) ;  // Generates text in standard ISO 8601 format.
 
		DateTimeFormatter f = DateTimeFormatter.ofPattern( "MMuu") ;
		String output = ym.format( f ) ;
		System.out.println( output ) ;
 
		// By the way, I recommend you avoid such abbreviated formats. 
		// Stick with the standard ISO 8601 format: YYYY-MM
	}
}

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