#include <iostream>
using namespace std;

int main() {
	int i;
    for(i = 2; i < 10; ++i) {
		switch(i) {
		case 2:
		case 3:
        case 5:
        case 7:
            std::cout << i << "is prime number" << std::endl;
			break;
		defualt:
           std::cout << i << "is not prime number" << std::endl;
			break;
        thisIsTest:
            break;
		}
	}	 
	return 0;
}