import java.math.RoundingMode;
import java.text.NumberFormat;

public class JI9033732 {

	public static void main(String[] args) {
		NumberFormat nf = NumberFormat.getInstance(); 
		nf.setRoundingMode(RoundingMode.HALF_UP); 
		nf.setMaximumFractionDigits(3); 
		System.out.println(nf.format(1.2345)); 

	}

}