def lum(h): h=h.lstrip('#'); r,g,b=[int(h[i:i+2],16)/255 for i in (0,2,4)] f=lambda c: c/12.92 if c<=0.03928 else ((c+0.055)/1.055)**2.4 return 0.2126*f(r)+0.7152*f(g)+0.0722*f(b) def cr(a,b): la,lb=sorted([lum(a),lum(b)],reverse=True); return (la+0.05)/(lb+0.05) import sys pairs=[l.split() for l in sys.stdin if l.strip()] for p in pairs: print(f"{p[0]:>9} on {p[1]:>9} {cr(p[0],p[1]):5.2f} {' '.join(p[2:])}")