import std.algorithm;
import std.array;
import std.conv;
import std.stdio;
import std.string;
import std.typecons;

void main(){
    stdin.byLine.map!(a => a.chomp.split(",")).filter!(a => (a[1].to!real / (a[2].to!real^^2)) >= 25).map!(a => (a[0].writeln, 0)).array;
}