def freqQuery(queries):
    
    results = []
    freq = {}
    
    CONST_ACTION = 0
    CONST_VALUE = 1
    INSERT_ELEMENT = 1
    REMOVE_ELEMENT = 2
    CONST_FIND_ELEMENT = 3
    
    for query in queries:
        action = query[CONST_ACTION]
        key = query[CONST_VALUE]
         
        if action in (INSERT_ELEMENT, REMOVE_ELEMENT):
            if key in freq:
                freq[key] += 1 if action == INSERT_ELEMENT else (-1 if freq[key] != 0 else 0)
            else:
                if action == INSERT_ELEMENT:
                    freq.setdefault(key, 1)
        else:
            results.append(int(key in set(freq.values())))      
    return results