d={
  "p":["r", "r"],
  "s":["k", "s"],
  "k":["k", "p"],
  "r":["p", "s"]
}
n={"0":[0], "1":[1], "-1":[0, 1]}
input()
pb={"p", "s"}
for v in input().split(" "):
   pb={d[x][k] for x in pb for k in n[v]}
print(pb)