import std.stdio,std.string,std.conv;

int main()
{
	string s;
	while((s = readln.chomp).length != 0)
	{
		string[] _s = s.split(",");
		int n = _s[0].to!int;
		double w = _s[1].to!double;
		double h = _s[2].to!double;

		if(25.0 <= w/(h*h))
		{
			n.writeln;
		}
	}
	return 0;
}