#include <iostream>
#include <string>
#include <stdexcept>
using namespace std;

int readInt(){
  int ourInput;

  cout << "Enter a whole number, only." << endl;
  cin >> ourInput;
  while(cin.fail() || cin.peek() == '.'){
    cout << "Error: enter a whole number" << endl;
    cin.clear();
    cin.ignore(256,'\n');
    cin >> ourInput;
  }
  return ourInput;
}


int main() {
  int myInt1 = readInt();
  int myInt2 = readInt();
  cout << "Our numbers, added together, are... " << myInt1 + myInt2 << endl;
  return 0;
}