#include <iostream>
using namespace std;
 
int main() {
    int t;
    int max = 0;;
    int minPerson;
    int curr,person;
    cin>>t;
    while(t--){
        int i,j;
        cin>>i>>j;
        if(i>=j){
            curr = i-j;
            person = 1;
        } else {
            curr = j-i;
            person = 2;
        }
        if(curr>max){
            max = curr;
            minPerson = person;
        }
    }
    cout<<minPerson<<max<<endl;
	return 0;
}
 

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5
140 82
89 134
90 110
112 106
88 90