Form String by Rotation



JAVA CODE:

import java.util.*;
public class Hello {
    static boolean arerot(String a1,String a2)
    {
        return(a1.length()==a2.length())&&((a1+a1).indexOf(a2) != -1);
    }

    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        String a1=sc.next();
        String a2=sc.next();
        if(arerot(a1,a2))
        System.out.println("Yes");
        else
        System.out.println("No");
}
}

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