The slogan collection campaign for national fitness received more than 1000 application slogans within one month, with a wide range of manuscripts and a large number of participants. After review, the slogan was finally selected as "I exercise, I am happy".

When answering, you should use the given words with complete meaning, and attach the theme of "collecting the slogan of national fitness". At the same time, you should pay attention to the consistency of the topic, the language should be coherent and fluent, and the language should be passionate, literary and appealing. Meet the requirements of word.