Problem F
Tok Tik
                                                                Languages
                        
                            
                                                                    en
                                                                    is
                                                            
                        
                                                                
   
      Tok Tik is a new app that youngsters are absolutely raving
    over. There they compete to get the most views. You have found
    yourself in a discussion with your friend on who is truly the
    most popular Tok Tikker of all time. You decide to define the
    most popular Tok Tikker of all time as the Tok Tikker who has
    the largest total number of views on all their Tok
    Tiks.
You are given a list of all Tok Tiks that have been uploaded
    to the whole internet. Each Tok Tik is described by what Tok
    Tikker uploaded it and how many views it has.
Determine what Tok Tikker is truly the most popular. There will always be a uniquely determined most popular Tok Tikker.
Input
The first line of the input contains one integer $n$ ($1 \leq n \leq 10^5$) giving the number of Tok Tiks on the internet.
Then there are $n$ lines, one for each Tok Tik, where the $i$-th line contains a string $s_ i$ and an integer $a_ i$ $(1 \leq a_ i \leq 10^4)$, denoting that the Tok Tikker $s_ i$ uploaded this video and $a_ i$ Tok Tikkers have viewed it. Every string $s_ i$ contains at most $20$ English lowercase letters.
Output
Print a single line with the name of the Tok Tikker who’s most popular.
Scoring
| Group | Points | Constraints | 
| 1 | 50 | $n \leq 100$ | 
| 2 | 50 | No further constraints. | 
| Sample Input 1 | Sample Output 1 | 
|---|---|
| 5 benni 1500 bjarki 1200 unnar 1300 arnar 1600 bjarki 710 | bjarki | 
| Sample Input 2 | Sample Output 2 | 
|---|---|
| 3 anna 5 anna 6 anna 7 | anna | 
| Sample Input 3 | Sample Output 3 | 
|---|---|
| 5 kalli 1 kalli 1 gummi 5 kalli 3 gummi 1 | gummi | 
