import java.util.Scanner;

public class Demo01 
{
	public static void main( String[] args )
	{
		System.out.println( "請輸入學生姓名" );
		Scanner input = new Scanner(System.in);
		String name = input.next();
		int score = 0;
		int sum = 0;
		for( int i=0; i<5; ++i )
		{
			System.out.print( "請輸入學生的第"+(i+1)+"門成績:" );
			score = input.nextInt();
			sum += score;
		}
		double avg = sum / 5;
		System.out.println( name + "同學的平均成績為"+ avg );
		input.close();
	}

}