#include<iostream> using namespace std; struct book{ int x; int c; }; book a[51]; int main() { for(int i=0;i<50;i++){ cin>>a[i].x >>a[i].c; } for(int i=0;i<50;i++){ if(a[i].c>=80){ cout<<a[i].x<<" "<<a[i].c<<endl; } } return 0; }