include

include

include

include

include

using namespace std; class Student{ private: int scores[5]; public:

void input(){ for(int i=0;i<5;i++ ) cin>>scores[i]; }

int calculateTotalScore(){ int sum = 0; for(int i=0;i<5;i++ ){ sum = sum + scores[i];
} return sum; } };

int main() { int num; cin>>num; Student students[num]; int count = 0;

for(int i = 0;i<num;i++){
    students[i].input();
   if(students[0].calculateTotalScore() < 
   students[i].calculateTotalScore())

count++;

}

cout<<count;

}