a=5 b=8 c=12 d="{:.3f}".format((a+b+c)/3) e=int(39/5) f=int(39%5) g=int(39/8) h=int(39%8) i=int(39/12) j=int(39%12) print(d) print(e,f) print(g,h) print(i,j)