#include<iostream.h>

#include<conio.h>

main()

{

float a[4],sum=0,avg=0;

int I;

cout<<"Enter the four numbers to find their sum and average;

for(I=0;I<=3;I++)

{

cin>>a[I];

}

for(I=0;I<=3;I++)

{

sum=sum+a[I];

}

cout<<"The Sum of numbers is:"<<sum;

avg=sum/4;

cout<<"the average of numbers is"<<avg;

}

#include<conio.h>

main()

{

float a[4],sum=0,avg=0;

int I;

cout<<"Enter the four numbers to find their sum and average;

for(I=0;I<=3;I++)

{

cin>>a[I];

}

for(I=0;I<=3;I++)

{

sum=sum+a[I];

}

cout<<"The Sum of numbers is:"<<sum;

avg=sum/4;

cout<<"the average of numbers is"<<avg;

}