import java.math.*;

class round {
	public static void main(String[] args) {
		BigDecimal bdOne = new BigDecimal("1");
		BigDecimal bd1 = new BigDecimal("1.5");
		BigDecimal bd2 = new BigDecimal("2.5");
		
		System.out.println("1.5 round half even:" + (bd1.divide(bdOne, 0, BigDecimal.ROUND_HALF_EVEN)).toString());
		System.out.println("1.5 round half up  :" + (bd1.divide(bdOne, 0, BigDecimal.ROUND_HALF_UP)).toString());
		System.out.println("2.5 round half even:" + (bd2.divide(bdOne, 0, BigDecimal.ROUND_HALF_EVEN)).toString());
		System.out.println("2.5 round half up  :" + (bd2.divide(bdOne, 0, BigDecimal.ROUND_HALF_UP)).toString());
	}
}