#include using namespace std; struct student{ char name[20]; int high; }s[25]; int main(){ int n,m; cin>>n; for(int i=1;i<=n;i++){ cin>>s[i].name>>s[i].high; } cin>>m; for(int i=1;i<=n;i++){ if(s[i].high<m) cout<<s[i].name<<endl; } return 0; }