5153: P8647 [蓝桥杯 2017 省 AB] 分巧克力
          Memory Limit:128 MB
          Time Limit:1.000 S
         
      
      
        
          Judge Style:Text Compare
          Creator:
      
      
          Submit:0
          Solved:0
      
Description

Input

Output

Sample Input Copy
2 10  
6 5  
5 6  Sample Output Copy
2