import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    
    public static void main(String[] args) {
 Scanner tecl = new Scanner(System.in);

        //
        String [] vector = new String[5];

        //
        int [] ventas = (120,150,90,180,160);
        //
        int x = (ventas.length-1);
        //
        int total=0;
            while (x>=0)
            //
             total += ventas[x];
             x--;
        
    }
    //
    double prome=0;
    //
    prome = (double) total/ventas.length;
    System.out.println("Resultado de operacion " + (50+25*10-50));

    System.out.println ("El total de la ventas fue:" + "\n el promedio")

        for(int i=0; i < ventas.length; i++)
          total += ventas[i];
          prome = total/ventas.length; 
          System.out.println(prome);

         System.out.println("********** \n\nPrueba dos " + prome)



    
  }
}