def compare(x,y):
    s1=str(x)
    s2=str(y)
    k=len(s1)
    for i in range(k):
        if __________:
            return False
    return True
sm=0
n=int(input())
for i in range(10,n+1):
    a=i
    b=0
    t=a
    while t>0:
        b=__________
        t//=10
    t1=a**2
    t2=b**2
    if __________:
        if __________:
            print(a,end=" ")
            sm+=1
if __________:
    print(None)