def is_paired(input_string):
    opening_brackets = []
    pairs = {"(": ")","[": "]","{": "}"}

    for char in input_string:
        if char in '([{':
            opening_brackets.append(char)
        elif char in ')]}':
            if not opening_brackets:
                return False
            last_opening = opening_brackets.pop()
            if pairs[last_opening] != char:
                return False
    if len(opening_brackets) == 0:
        return True
    else:
        return False