public int solution(int[] A){
        int whichTypeOfSubsequence = checkTypeOfSubsequence(0, A);
        int lengthOfSubsequence = 2;
        int numberOfSubseqences = 0;
        for(int i = 0; i < A.length-1; i++){
            if(whichTypeOfSubsequence == checkTypeOfSubsequence(i, A)){
                lengthOfSubsequence++;
                if(i == A.length -2){
                    numberOfSubseqences += calculateNumberOfSubseqnuences(lengthOfSubsequence);
                }
            }
            else{
                numberOfSubseqences += calculateNumberOfSubseqnuences(lengthOfSubsequence);
                whichTypeOfSubsequence = checkTypeOfSubsequence(i, A);
                if(i == A.length -2){
                    numberOfSubseqences += calculateNumberOfSubseqnuences(lengthOfSubsequence);
                }
                lengthOfSubsequence = 2;
            }
        }
        return numberOfSubseqences;
    }