#include<iostream> #include<cstdio> using namespace std; int main(){ int a[51],b[51]; for(int i=1;i<=50;i++) cin>>a[i]>>b[i]; for(int i=1;i<=50;i++) { if(b[i]>=80) cout<<a[i]<<" "<<b[i]<<endl; } return 0; }