#include<iostream>   using namespace std;   int main()   {       int t;       cin>>t;       while(t--){           int a,b;           cin>>a>>b;           if(a==0&&b==0)               cout<< 0 n ;           else if(a==0&&b!=0)               cout<<2*b-1<<endl;           else if(a!=0&&b==0)               cout<<2*a-1<<endl;           else{               if(a>b){                   int x=(2*b)+(2*(a-b)-1);                   cout<<x<<endl;               }               else if(a<b){                   int x=(2*a)+(2*(b-a)-1);                   cout<<x<<endl;               }               else if(a==b)                   cout<<2*a<<endl;               }           }       }      