hold m Put the same apple on the n On the same plate , Some plates are allowed to remain empty , How many different methods are there ？
Be careful ： If there is 7 An apple and 3 null ,（5,1,1） and （1,5,1） It is regarded as the same division .
Data range ：
0≤m≤10 ,1≤n≤10 .
Input description ：
Enter two int Integers
Output description ：
Output results ,int type
Input
