sum and average

#include<stdio.h>
int main()
{
    int a,b,sum=0;
    float avrg=0;
    printf("Enter two values: ");
    scanf("%d%d",&a,&b);

    sum=a+b;
    printf("summation = %d\n",sum);

    avrg=(float)sum/2;
    printf("Average = %0.2f\n",avrg);




    return 0;
}