Alternate X Characters

JAVA Code :-

import java.util.*;
public class Hello {

    public static void main(String[] args) {
        //Your Code Here
Scanner s=new Scanner(System.in);
String str=s.nextLine();
int n=s.nextInt(),l=str.length(),g=0;
for(int i=0;i<l;i++)
{
    if(g<n)
    {
        System.out.print(str.charAt(i));
        g++;
    }
    else
    {
        i+=n-1;
        g=0;
    }
}
    }
}

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