#include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
	int age{0};	

	cout << "Enter your age:";
	cin >> age;

	if (!cin) {
		cerr << "Sorry, couldn't read your age.\n";
		return EXIT_FAILURE;
	}

	const int  decadeAge {age + 10};

	cout << " In one decade you will be " << decadeAge << " years old!\n";
	
	return EXIT_SUCCESS;
}