#for n in range(1,11):
#print n%2, n-2*(n//2)
#f(n) == {g(n) : n is odd; h(n) : n is even}
#f(n) == (n-2*(n//2))*g(n) + ((n+1)-2*((n+1)//2))*h(n)
def f(n):
return (n-2*(n//2))*g(n) + ((n+1)-2*((n+1)//2))*h(n)
def g(n):
return 0
def h(n):
return n
for n in range(1,11):
print f(n)
I2ZvciBuIGluIHJhbmdlKDEsMTEpOgogICAgI3ByaW50IG4lMiwgbi0yKihuLy8yKQoKI2YobikgPT0ge2cobikgOiBuIGlzIG9kZDsgaChuKSA6IG4gaXMgZXZlbn0KI2YobikgPT0gKG4tMioobi8vMikpKmcobikgKyAoKG4rMSktMiooKG4rMSkvLzIpKSpoKG4pCgpkZWYgZihuKToKICAgIHJldHVybiAobi0yKihuLy8yKSkqZyhuKSArICgobisxKS0yKigobisxKS8vMikpKmgobikKCmRlZiBnKG4pOgogICAgcmV0dXJuIDAKCmRlZiBoKG4pOgogICAgcmV0dXJuIG4KCmZvciBuIGluIHJhbmdlKDEsMTEpOgogICAgcHJpbnQgZihuKQ==