ll@a,@b,@c;
rep(d,1,201){
	rep(e,1,201){
		double s=d+a+e;
		if(abs(b-c)<s<b+c){
			double cosb=double(s*s+b*b-c*c)/double(2*s*b);
			double ff=b*b+d*d-2*b*d*cosb;
			double cosd=(b*b+ff-d*d)/(2*b*sqrt(ff));
			double cosc=double(s*s+c*c-b*b)/double(2*s*c);
			double gg=c*c+e*e-2*c*e*cosc;
			double cose=(c*c+gg-e*e)/(2*c*sqrt(gg));
			if(abs(cosd-cose)<1e-8){
				wt("Yes");
				exit(0);
			}
		}
	}
}
wt("No");