from sys import stdout as out

p = {}
for i in range(1,91):
    p[i] = 0

for i in range(2,91):
    n = i
    while n <= 90:
        p[n]+=1
        n += i

for i in range(9):
    for j in range(10):
        if p[i*10+j+1] % 2 == 0:
            out.write("o")
        else:
            out.write(" ")
    out.write("\n")