#include<stdio.h>

#include<stdlib.h>

void main(int argc, char *argv[])

{

    int x,y,z;

    float avg;

    if(argc==4)

    {

        x=atoi(argv[1]);

        y=atoi(argv[2]);

        z=atoi(argv[3]);

        avg=(x+y+z)/3.0;

        printf("Average =%f",avg);

    }

    else

    {

        printf("Enter Three Numbers...");

    }

}