#include<bits/stdc++.h> using namespace std; int main() { int a[10000]; int b[10000]; for(int n = 1;n <= 50;n++){ cin >> a[n] >> b[n]; } for(int n = 1;n <= 50;n++){ if(b[n] >= 80) { cout << a[n] << " " << b[n] << endl; } } return 0; }