sponge

Use rpsrunner.py to play unranked matches on your computer.

Source code:

# Your submission name here. This must be unique. If it is already taken, then you will have to choose another one.
if input == "":
    output = "P"
if input == "R":
    output = "R"
if input == "P":
    output = "P"
if input == "S":
    output = "S"