/**
* The main method.
*
* @param args the arguments
*/
public static void main(String[] args) {
int n;
if (args.length != 1) {
System.out.println("Incorrect usage. Exiting...");
printCorrectUsage();
System.exit(1);
}
try {
n = Integer.parseInt(args[0]);
SieveOfEratosthenes sieve = new SieveOfEratosthenes(n);
sieve.printPrimes();
} catch (NumberFormatException nfe) {
System.out.println(args[0] + " is not a number. Exiting...");
printCorrectUsage();
System.exit(1);
}
}
public static void main(String[] args) {
int primeList[] = SieveOfEratosthenes.findPrimes(2000000);
long sum = 0;
for (int i = 0; i < primeList.length; i++) sum += primeList[i];
System.out.println(sum);
}