Code
salary = float(input())
result=0.0
ratio=0.0
if salary >= 0 and salary <=400:
ratio=0.15
elif salary >400 and salary <= 800:
ratio=0.12
elif salary > 800 and salary <= 1200:
ratio=0.1
elif salary >1200 and salary <= 2000:
ratio=0.07
else:
ratio=0.04
result=salary*(1+ratio)
print('Novo salario: {:.2f}'.format(result))
print('Reajuste ganho: {:.2f}'.format(result-salary))
print('Em percentual: {:.0f} %'.format(ratio*100))