def is_paired(input_string):
    stack = []
    brackets = {
        ')': '(',
        ']': '[',
        '}': '{'
    }

    for char in input_string:
        if char in '([{':
            stack.append(char)

        elif char in ')]}':
            if not stack:
                return False


            stack.pop()

    return len(stack) == 0