# Wash the dry plums, rest in the 2 cups of water for 2 hours at least.
# Then, put 4 cups water and 1 cup granulated sugar
into the pot, and boil over medium heat.
# Add the plums which are grown in the water into the boiling water.
# Turn the heat to low, cook until the plums reach to the fresh plums size.
# Cool it in the pot for a while, and then refrigerate.
# Fill into the small bowls when it cools down, and serve.