/*

By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13.

What is the 10 001st prime number?

*/

class Problem_7 {

public static boolean isPrime(long n) {

if (n < 2) {return false;}

else if (n == 2) {return true;}

for (int i = 3; i < Math.sqrt(n) + 1; i+=2)

{ if (n % i == 0)

{return false;}

}

return true;

}

public static void main(String[] args) {

int a=1;

for(int i=3;i>0;i= i+=2)

{

if(isPrime(i)==true)

{

a++;

}

if(a==10001)

{

System.out.println(i);

break;

}

}

}

}