#include <cstdio>

main(){
     int n,c=0;
     float w,h;
     while(~scanf("%d,%f,%f ",&n,&w,&h)){
	  if(w/h/h >= 25){
	       printf("%d\n", n);
	       c++;
	  }
     }
     if(!c){
	  puts("ツ該ツ督鳴づ按つオ");
     }
}