MLE求助!!!!!!

//二分
//#include<iostream>
//using namespace std;
//const long long INF=2*(1e9+10);
//long long a,b;
//int main(){
//	cin>>a>>b;
//	long long mid,left=(0-INF),right=INF;
//	while(left<=right&&mid!=(a+b)){
//		mid=(left+right)>>1;
//		if(mid<a+b)left=mid+1;
//		if(mid>a+b)right=mid-1;
//	}
//	cout<<mid;
//	return 0;
//}
//深搜
#include<iostream>
using namespace std;
long long a,b;
long long dfs(long long x){
	if(x==1)return 1;
	else return dfs(x-1)+1;
}
int main(){
	cin>>a>>b;
	cout<<dfs(a)+dfs(b);
	return 0;
}