#include
                #include
                int main()
                {
                    /*int num_1,num_2,num_3,num_4,num_5;
                    float average;
                    printf("Enter five integers \n");	
                    scanf("%d%d%d%d%d",&num_1,&num_2,&num_3,&num_4,&num_5);
                    printf("sum=%d\n",(num_1+num_2+num_3+num_4+num_5));
                    printf("sum_of_square=%d\n",(num_1*num_1+num_2*num_2+num_3*num_3+num_4*num_4+num_5*num_5));
                    printf("sum_of_cube=%d\n",(num_1*num_1*num_1+num_2*num_2*num_2+num_3*num_3*num_3+num_4*num_4*num_4+num_5*num_5*num_5));
                    printf("average=%f",(num_1+num_2+num_3+num_4+num_5)/5.0);*/

                    //--------------------------------------------------
                    //another solve
                    int num,i=1,sum=0,sum_of_square=0,sum_of_cube=0;
                    float average;
                    for(;i<=5;i++)
                    {
                        printf("enter num%d=",i);
                        scanf("%d",&num);
                        sum+=num;
                        sum_of_square+=pow(num,2);
                        sum_of_cube+=pow(num,3);
                    }
                    average=sum/(float)(i-1);
                    //(i-1) becuase i after loob will=6
                    //(float) to not neglact fraction in average
                    printf("sum=%d\nsum_of_square=%d\nsum_of_cube=%d\naverage=%.4f",sum,sum_of_square,sum_of_cube,average);
                    
                    return 0;
                }