631 B | 631 chars
import sys
from math import sqrt, pi, sin, factorial
BLANK = " "
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
while 1:
try:
n = ii()
except:
break
s = bin(n)[2:]
a = s.count("0")
b = s.count("1")
if a > b:
print("left")
elif a < b:
print("right")
else:
print("straight")
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()