/**
 *
 *	
 *	Driver class
 *	Name:
 *	Course:
 *	Section: 
 *  Last Modified:
 *  Known Bugs:
 */


import java.io.*;

public class Driver  {

		
	
	public static void main(String args[]) throws Exception {
	   FileInput myFile = new FileInput("msft.txt");
	   double [] A = new double[365];
	   int count = 0;
	   while (!myFile.eof())
	     { String temp = myFile.getString();
	       int k = temp.indexOf(" ");	
	       String date = temp.substring(0,k-1);
	       
	       String next = temp.substring(k);
	       next = next.trim();
	       k = next.indexOf(" ");	
	       String hi = next.substring(0,k-1);
	       
	       next = next.substring(k);
	       next = next.trim();
	       k = next.indexOf(" ");	
	       String lo = next.substring(0,k-1);
	       
	       next = next.substring(k);
	       next = next.trim();
	       k = next.indexOf(" ");	
	       String closingPrice = next.substring(0,k-1);
	       
	       double price = Double.parseDouble(closingPrice);
	       A[count++] = price;
	       
	       //System.out.println(price);
	       
	     }
	     for (int i=0; i<count; i++)
	        System.out.println(A[i]);   
		
	}
}