C++ :

#include<bits/stdc++.h>
using namespace std;

int main(){
	long long a,b,i,c = 0;
	cin>>a>>b;
	if(a<b) swap(a,b);
	cout<<(a+b-1)-((a-b)+1)+1<<endl;
}

Pascal :

var
  a,c:longint;
begin
  read(a,c);
  writeln(a+c-(abs(a-c)+1));
end.