#include<bits/stdc++.h> using namespace std; int main(){ int a[10001]={},b[10001]={}; for(int i=1;i<=50;i++){ cin>>a[i]; cin>>b[i]; } for(int i=1;i<=50;i++){ if(b[i]>=80){ cout<<a[i]<<" "<<b[i]<<endl; } } return 0; }