#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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