С 50 составить логическую цыпочку
50,45,40,35,30,25,20,15,10,5,0 50,40,30,20,10,0 50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0.