import emoji


def replace_emojis(input_text):
    '''
    Replaces emojis in text with a custom LaTeX sequence.
    :param input_text:
    :return:
    '''
    for char in input_text:
        if emoji.is_emoji(char):
            input_text = input_text.replace(char, f"\\emoji{{{char}}}")
    return input_text