1. A method for processing input data when an electronic file is generated from the input data, the method comprising: receiving the input data as electric signals; generating objects indicating specific areas included in the input data; integrating objects satisfying a first condition among the generated objects so as to make one object; and comparing the number of objects that have remained after a process of the integration with a preset value and integrating objects satisfying a second condition among the remaining objects if the number of objects is larger than the preset value.