#include <cstdlib>
#include <iostream>

using namespace std;

void checknumber(int number)
{
    if(number>10){
          cout << "The number you entered is bigger than 10 !" << endl;
    }else if(number==10){
          cout << "The number you entered is exactly 10 !" << endl;
    }else{
          cout << "The number you entered is smaller than 10.." << endl;
    }
}
void checktwice(int twice)
{
    if(twice>10){
          cout << "is bigger than 10 !]" << endl;
    }else if(twice==10){
          cout << "equals 10 !]" << endl;
    }else{
          cout << "is also smaller than 10 !]" << endl;
    }
}
int main(int argc, char *argv[])
{
    char number = 0;
	
	cout << "Please enter a number: ";	

	cin >> number;
    do
    {
        cin.flush();
        cin >> number;
	    if( !isdigit(number) )
	    {
		    cout << "You didn't enter a number, try again: " << endl;
	    }
    }while(!isdigit(number));
 
                             
    system("pause");
    return EXIT_SUCCESS;
}