#include <iostream>
using namespace std;

// reads 10 integers from keyboard, checks validity of being integer and adds them up

int main()
{
	int num, sum, count;

	sum = 0;    //initialize sum
	cout << "Please enter 10 integers to add up: ";
	
	for (count=1; count <= 10; count++)
	{
		if (cin >> num )   // read the next number and checks if it is a valid integer
		{
			cout << num << " is a valid entry" << endl;
			sum += num;			// add it to the sum if valid
		}
		else     //else display a message
		{
			cout << "entry #" << count << " is an invalid entry" << endl;
		}
	}

	cout << "the sum is: " << sum << endl;
    return 0;
}