通过输入员工的销售额，计算出其薪水总额并输出

a=eval(input('销售额:'))
if a <=3000:
    print('销售总额:',a)
elif a in range(3001,7001):
    print('销售总额:',int(a*1.1))
elif a in range(7001,10001):
    print('销售总额:',int(a*1.15))
else:
    print('销售总额:',int(a*1.2))