import javax.swing.*;
public class notas2
{
    public static void main( String [] args )
    {

    String m,x,y,z;
    int n,i,r,P,S;
    
	m=JOptionPane.showInputDialog("Ingrese numero de alumnos:");
	n=Integer.parseInt(m);
	final int N=n;
	int V[] = new int[N];
	i=1;
	while (i<=n){
	x=JOptionPane.showInputDialog("Ingrese nota del alumno "+i);
    V[i]=Integer.parseInt(x);
    i++;
    }
	S=0;
	for (int l=1;l<=n-1;l++){
		System.out.println(V[l]);
		S=S+V[l];
	}
	P=S/n;
	JOptionPane.showMessageDialog(null, "El promedio del aula es"+P );
    }
    }