sum and average of 3 numbers

/*sum and average of 3 numbers*/

#include <stdio.h>

#include <conio.h>

void main()

{

int n1,n2,n3;

float sum,average;

printf("enter 3 integer numbers\n");

sum=(n1+n2+n3);

average=sum/3;

printf("The sum of 3 numbers is=%f\n,sum);

printf=("The average of numbers=%f/n",average);

getch()

}

out put

please enter 3 integer numbers

12

25

33

sum of 3 numbers=70.000000

avg of 3 numbers=23.333334