Answer:
#include<iostream>
using namespace std;
int main(){
int sum = 12+33;
cout<<"The sum is: "<<sum<<endl;
}
Explanation:
First include the library iostream in c++ program for input/output.
Then, create the main function and declare the variable sum as integer type and store the sum of two given values.
After that, display the result store in the sum variable on the screen by using the instruction cout.