Program code:

#include<iostream>

using namespace std;

int main()
{
    //variable declaration
    int x, y;

    //variable declaration and initialization  
    int sum=0;
    //take user input
    cout << "Enter the first Number : ";
    cin >> x;
    cout << "\nEnter the second Number : ";
    cin >> y;

    //Adding the two numbers
    sum = x + y;

    //displaying the final output (sum)
    cout << "\nAddition of the two numbers is : " << sum;

    return 0;
}

Output:

Enter the first Number : 45
Enter the second Number : 12
Addition of the two numbers is : 57

where,

• int sum=0: A variable can be initialized during the declaration process. This is usually done to ensure that the value to be used in the future is not set to some random value at the start.
• sum = x + y: The addition operation is performed by this statement.

Note: also read about Hello World program

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Rabecca Fatima

Staying up to the mark is what defines me. Hi all! I’m Rabecca Fatima a keen learner, great enthusiast, ready to take new challenges as stepping stones towards flying colors.