#include <bits/stdc++.h> using namespace std; struct stu{ int id; int score; }; stu a[51]; int main() { for (int i=0;i<50;i++){ cin>>a[i].id>>a[i].score; } for (int i=0;i<50;i++){ if (a[i].score>=80){ cout<<a[i].id<<" "<<a[i].score<<'\n'; } } return 0; }