import java.io.*;
class PrimeOrNot
{
public static void main() throws IOException
{
InputStreamReader ir = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(ir);
System.out.println(“Enter the number”);
double n = Double.parseDouble(br.readLine());
System.out.println();
int k, l=0;
for (k=1; k<=n; k++)
{
if(n%k==0)
{
l=l+1;
}
}
if(l==2)
{
System.out.println();
System.out.println(n+" is a prime number");
}
else
{
System.out.println();
System.out.println(n+" is NOT a prime number");
}
}
}