Help me in solving SYNJ4V2 problem

My issue

import java.util.*;

class CodeChef
{
public static void main (String[] args)
{
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
int b = sc.nextInt();

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

}

my code is giving error

Exception in thread “main” java.util.NoSuchElementException
at java.base/java.util.Scanner.throwFor(Scanner.java:937)
at java.base/java.util.Scanner.next(Scanner.java:1594)
at java.base/java.util.Scanner.nextInt(Scanner.java:2258)
at java.base/java.util.Scanner.nextInt(Scanner.java:2212)
at CodeChef.main(Main.java:8)

My code

import java.util.*;

class CodeChef
{
	public static void main (String[] args)
	{
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		
		System.out.println(a+b);
		
	}
}

Learning course: Learn Java
Problem Link: CodeChef: Practical coding for everyone

@nitin_kashyap
U have to do it like this

class CodeChef
{
	public static void main (String[] args)
	{
		System.out.print(3 + 4);
		System.out.print(2 + 1);
	}
}