college kid in need of help...PLEASE :(

[joemelle]

new college student in need of help ...doing some programming on my own and just starting to learn.
I am really new to the programming world.
Forgive me for my ignorance
I have DEV-C++ compiler...I was following a tutorial and i'm having some problems compiling and running a program can you help me .
when i hit compile and run these three message come up and some one explain and help me correct my problem.

avergae.cpp C:\Dev-Cpp\avergae.o(.text+0x50) multiple definition of `main'

averge.cpp C:\Dev-Cpp\averge.o(.text+0x6) first defined here

C:\Dev-Cpp\Makefile.win[Build Error] ["hello] Error 1


those are the message that come up with no line number and here is my code

#include<iostream>
using namespace std;

int main(void)
{

    double dnumber1 = 0.0;
    double dnumber2 = 0.0;
    double dnumber3 = 0.0;
    double daverage = 0.0;

    cout << "please enter  3 numbers: " << endl;
    cin >> dnumber1;
    cin >> dnumber2;
    cin >> dnumber3;

    daverage = (dnumber1 + dnumber2 + dnumber3 ) / 3;

    cout << "the average of the numbers are: " << daverage << endl << endl;

    system("pause");
    return 0;
}

am i doing something wrong can someone help me ...

my email is <<snipped>> thanks everyone in advance for help