Literal translation
in winter, whoever finds it uses it; in summer, whoever finds it, it is his; in autumn, whoever finds it gives it away; in spring, whoever finds it keeps it
Meaning
depending on the season it's found, it gets used, kept, or given away
Explanation
A popular rhyme saying what one does with a found object depending on the season: in winter, whoever finds it uses it, in summer, whoever finds it owns it, in autumn, whoever finds it gives it away, in spring, whoever finds it keeps it.