#include <iostream> using namespace std; int a,n,b,ans[1000001],bns[1000001]; int main(){ for(int i = 1;i <=50;i++) { cin >> a>>b; if(b>=80) { ans[i]=a; bns[i]=b; } } for(int i = 1;i <=50;i++) { if(ans[i]!=0) { cout<<ans[i]<<" "<<bns[i]<<endl; } } }