Answer:
#include <iostream>
using namespace std;
int main()
{
double number1, number2, sum;
cout<<"Enter a number: ";
cin >> number1;
cout<<"Enter another number: ";
cin >> number2;
sum = number1 + number2;
cout <<"The sum of two numbers is "<< sum <<endl;
return 0;
}
Explanation:
The correct program can be seen above.
You need to add #include <iostream> and using namespace std; before your main function. Other issues are following;
Line 4, 5, 6, 7, 9 -> cout and cin must start with a lowercase letter
Line 5 -> cin >> number1;
Line 7 -> cin >> number2;
Line 8 -> sum = number1 + number2;
Line 9 -> cout << "The sum of two numbers is " << sum << endl;