P1
50 70
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000100000000000000000000000
00000000000000000000000001111111111000000000000000
00000000000000000000000011111111111100000000000000
00000000000000000000000111111111111100000000000000
00000000000000000000000111101111111100000000000000
00000000000000000000000111000000000000000000000000
00000000000000000000000110000000000000000000000000
00000000000000000000001110000000000000000000000000
00000000000000000000001110000000000000000000000000
00000000000000000000001110000000000000000000000000
00000000000000000000001100000000000000000000000000
00000000000000000000011100000000000000000000000000
00000000000000000000011100000000000000000000000000
00000000000000000000011100000000000000000000000000
00000000000000000000111111111000000000000000000000
00000000000000000001111111111110000000000000000000
00000000000000000001111111111111000000000000000000
00000000000000000001111111111111100000000000000000
00000000000000000000000000001111100000000000000000
00000000000000000000000000000011110000000000000000
00000000000000000000000000000011110000000000000000
00000000000000000000000000000001111000000000000000
00000000000000000000000000000001111000000000000000
00000000000000000000000000000000111000000000000000
00000000000000000000000000000000111000000000000000
00000000000000000000000000000000111000000000000000
00000000000000000000000000000000111000000000000000
00000000000000000000000000000000111000000000000000
00000000000000000000000000000001111000000000000000
00000000000000000000000000000001111000000000000000
00000000000110000000000000000001111000000000000000
00000000001111100000000000000001110000000000000000
00000000000111100000000000000011110000000000000000
00000000000111111000000000000111100000000000000000
00000000000011111100000000001111100000000000000000
00000000000001111110000000011111100000000000000000
00000000000001111111111011111111000000000000000000
00000000000000011111111111111110000000000000000000
00000000000000000111111111111100000000000000000000
00000000000000000000011111111000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000