# numeros = [2,9,4,11]
# print(numeros[-1])


n = 3 
i = 0
while (i < n ):
    print(i)
    i = i + 1
# for i in range(len(numeros)):
#     print(numeros[i])

# n = 4
# for i in range(1,n):
#     print(i)