P1
50 70
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000100000000000000000000000000000
00000000000000000001111111100000000000000000000000
00000000000000000001111111111111100000000000000000
00000000000000000011111111111111111111000000000000
00000000000000000011111111111111111111111111000000
00000000000000000011111111111111111111111111110000
00000000000000000111111111111111111111111111110000
00000000000000000111111111111111111111111111110000
00000000000000000111111100000011111111111111100000
00000000000000001111111100000000000000000011100000
00000000000000001111111100000000000000000000000000
00000000000000001111111000000000000000000000000000
00000000000000011111111000000000000000000000000000
00000000000000011111111000000000000000000000000000
00000000000000011111111000000000000000000000000000
00000000000000011111110000000000000000000000000000
00000000000000111111110000000000000000000000000000
00000000000000111111100000000000000000000000000000
00000000000001111111100011111100000000000000000000
00000000000001111111111111111111111100000000000000
00000000000001111111111111111111111111000000000000
00000000000001111111111111111111111111100000000000
00000000000011111111111111111111111111110000000000
00000000000011111111111111111111111111111000000000
00000000000011111111111111111111111111111100000000
00000000000111111111111110000011111111111110000000
00000000000111111111100000000000111111111110000000
00000000000011100110000000000000011111111111000000
00000000000000000000000000000000001111111111000000
00000000000000000000000000000000000111111111000000
00000000000000000000000000000000000011111111100000
00000000000000000000000000000000000011111111100000
00000000000000000000000000000000000011111111100000
00000000000000000000000000000000000011111111100000
00000000000000000000000000000000000011111111100000
00000000000000000000000000000000000001111111100000
00000000000000000000000000000000000011111111000000
00000000000000000000000000000000000011111111000000
00000000001111000000000000000000000011111111000000
00000000111111100000000000000000000111111111000000
00000001111111100000000000000000000111111111000000
00000001111111110000000000000000000111111110000000
00000001111111111000000000000000001111111100000000
00000000111111111000000000000000011111111100000000
00000000111111111100000000000000111111111100000000
00000000111111111111100000001111111111111000000000
00000000011111111111111111111111111111110000000000
00000000001111111111111111111111111111100000000000
00000000001111111111111111111111111110000000000000
00000000000111111111111111111111111110000000000000
00000000000011111111111111111111111000000000000000
00000000000000011111111111111111000000000000000000
00000000000000001001111111110000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000