## This is the $$sentence$$ you need to evaluate.
## marker: "$$"
## int: 2


def produce(sentence, marker, num):
    sentence_arr = []
    for i in range (len(sentence)):
        sentence_arr.append(sentence[i])
    
    start_marker = marker[0]
    end_marker = marker[-1]
    
    new_sentence = ""
    
    for i in range(len(sentence_arr)):
        if sentence_arr[i] == start_marker or sentence_arr[i] == end_marker:
            continue
        else:
            ctr = num
            if sentence_arr[i-1] == end_marker:
                while ctr != 0 and sentence_arr[i+num] != start_marker:
                    new_sentence = new_sentence + sentence_arr[i]
                    ctr -= 1
                else:
                    new_sentence = new_sentence + "*"
                    
            else:
                new_sentence = new_sentence + sentence_arr[i]
    
    print(new_sentence)
    
    
produce("This is the $#sentence$# you need to evaluate.", "$#", 2)