Bài 5

n = int(input("Nhap n: "))

so_chan = []
so_le   = []

for i in range(1, n + 1):
    if i % 2 == 0:
        so_chan.append(i)
    else:
        so_le.append(i)

print(f"So chan: {' '.join(map(str, so_chan))}")
print(f"So le:   {' '.join(map(str, so_le))}")
print(f"Tong so chan: {len(so_chan)}")
print(f"Tong so le:  {len(so_le)}")