打表水过，人生真是太hard了！
#include <iostream>
#include <algorithm>
#include <cstdio>
#include<queue>
#include<vector>
using namespace std;

int res[11][11] = {{0,1,2,3,4,5,6,7,8,9,10},
	               {1,2,3,4,5,6,7,8,9,10,11},
	               {2,3,4,5,6,7,8,9,10,11,12},
	               {3,4,5,6,7,8,9,10,11,12,13},
	               {4,5,6,7,8,9,10,11,12,13,14},
	               {5,6,7,8,9,10,11,12,13,14,15},
	               {6,7,8,9,10,11,12,13,14,15,16},
		       {7,8,9,10,11,12,13,14,15,16,17},
	               {8,9,10,11,12,13,14,15,16,17,18},
	               {9,10,11,12,13,14,15,16,17,18,19},
	               {10,11,12,13,14,15,16,17,18,19,20}};
int main()
{
	int a, b;
	cin >> a >> b;
	cout << res[a][b] << endl;
	return 0;
}