import java.lang.System.in;

class Prime {
	public void checkPrime(int... num){
		int count = 0;
		for (int n : num){
			if(n == 2){
				System.out.print(n + " ");
			} 
			if (n > 2){
				for(int i=2;i <= Math.sqrt(n);i++){
						if(n%i == 0){
							count++;
						}
				}
				if(count==0){
					System.out.print(n + " ");
				}
				count = 0;
			}
		}
		System.out.println();
	}
}