1_data_types.py

def found_datatype(type_, char):
    if type_ == 'int':
        datatype = int(char) * 2
        return datatype

    elif type_ == 'real':
        datatype = float(char) * 1.5
        datatype = f'{datatype:.2f}'
        return datatype

    else:
        datatype = f'${current_command}$'
        return datatype


current_string = input()
current_command = input()
print(found_datatype(current_string, current_command))