200 元也只能 -10 元）| 折前 | 折后 |
| 80 | 80 |
| 170 | 170-10=160 |
| 400 | 400-30=370 |
| 880 | 880-50=830 |
| 1002 | int(0.9*1002)=901 注意不是901.8 |
def discount(money):
if money>=1000:
return __________
elif __________:
return money-50
elif __________:
return __________
elif money>=100:
__________
else:
__________
a,b=map(int,input().split())
res1=__________
res2=__________
print(res1,res2)
if __________:
print("合并")
else:
print("不合并")