#include <IO/IOStream.h>
#include <String.h>

bool is_prime(int i) {
	for (int j = 2; j*j <= i; j++) {
		if (i % j == 0) return false;
	}
	return true;
}

int Main(String *args) {
	for (int i = 2; i < 1000000; i++) {
		if (is_prime(i)) stdio.printf("%d\t", i);
	}
	stdio.printf("\nThat's all prime numbers for today.\n");

	return 0;
}