package stringeliminator;

public class Eliminator {

    public String eliminate(String s) {

        StringBuilder sb = new StringBuilder(s);

        int actualLength = sb.length();

        for (int i=0; i < actualLength-1; i++){

            boolean equalChars = sb.charAt(i) == sb.charAt(i+1);

            if(equalChars){
                sb.deleteCharAt(i);
                sb.deleteCharAt(i);
                i = 0;
                actualLength = sb.length();
            }

        }

        if (sb.charAt(0) == sb.charAt(1)){
            sb.deleteCharAt(0);
            sb.deleteCharAt(0);
        }

        return sb.toString();
    }

}