from sys import stdin, stdout
from collections import defaultdict as dd
f = [0 for i in range(1000)]
f[0] = 1
f[1] = 1
s = dd(int)
s[0] = 1
s[1] = 1
for i in range(2, 19):
    f[i] = f[i - 1] + f[i - 2]
    s[f[i]] = 1
n = int(stdin.readline().strip())
for i in range(1, n + 1):
    if s[i] == 1:
        stdout.write('0')
    else:
        stdout.write('o')