my_num1 = int(input('Enter a number: '))
a=1
result=0
while a <= my_num1:
    result = result +((2* a)+1)
    a += 1

print(result)
12b78d7e0d3df569aa2c673b8708fb8f082e2221
<mask token>

<mask token>
while a <= my_num1:
    result = result + (2 * a + 1)
    a += 1
print(result)

my_num1 = int(input('Enter a number: '))
a = 1
result = 0
while a <= my_num1:
    result = result + (2 * a + 1)
    a += 1
print(result)

my_num1 = int(input('Enter a number: '))
a=1
result=0
while a <= my_num1:
    result = result +((2* a)+1)
    a += 1

print(result)