a = int(input('Введите a = '))
if a >= 0:
a = pow(a, 2)
else:
a = pow(a * a, 2)
b = int(input('Введите b = '))
if b >= 0:
b = pow(b, 2)
else:
b = pow(b * b, 2)
c = int(input('Введите с = '))
if c >= 0:
c = pow(c, 2)
else:
c = pow(c * c, 2)
print(f'a = {a} b = {b} c = {c}')