usedGameboardPosition = [[0 for x in range(16)] for x in range(16)]
if all(all(x == 0 for x in v) for v in usedGameboardPosition):
print "All zeroes!"
dXNlZEdhbWVib2FyZFBvc2l0aW9uID0gW1swIGZvciB4IGluIHJhbmdlKDE2KV0gZm9yIHggaW4gcmFuZ2UoMTYpXQoKaWYgYWxsKGFsbCh4ID09IDAgZm9yIHggaW4gdikgIGZvciB2IGluIHVzZWRHYW1lYm9hcmRQb3NpdGlvbik6CiAgcHJpbnQgIkFsbCB6ZXJvZXMhIgoK