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SplitAndCheckPrime.java

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import java.util.*;

public class SplitAndCheckPrime {

public static void main(String[] args) {

try (Scanner sc = new Scanner(System.in)) {

String n = sc.next();

for (int i = 1; i < n.length(); i++) {

int a = Integer.parseInt(n.substring(0, i));

int b = Integer.parseInt(n.substring(i));

if (isPrime(a) && isPrime(b)) {

System.out.println(a + " " + b);

return;

}

}

} catch (NumberFormatException e) {

System.out.println("Invalid input");

}

System.out.println(-1);

}

private static boolean isPrime(int n) {

if (n <= 1) {

return false;

}

for (int i = 2; i * i <= n; i++) {

if (n % i == 0) {

return false;

}

}

return true;

}

}

/**

* Example Input/Output 1: Input: 133 Output: 13 3

*/