P1
50 70
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000111111100000000000000000000000000
00000000000000111111111110000000000000000000000000
00000000000011111111111111000000000000000000000000
00000000000111111111111111000000000000000000000000
00000000001111111111111111000000000000000000000000
00000000111111111111111111000000000000000000000000
00000011111111111111111111000000000000000000000000
00000111111111111111111111000000000000000000000000
00000011111100111111111111000000000000000000000000
00000011110000111111111111100000000000000000000000
00000011100000111111111111100000000000000000000000
00000000000000111111111111100000000000000000000000
00000000000000011111111111100000000000000000000000
00000000000000011111111111100000000000000000000000
00000000000000001111111111100000000000000000000000
00000000000000001111111111100000000000000000000000
00000000000000001111111111110000000000000000000000
00000000000000001111111111110000000000000000000000
00000000000000001111111111110000000000000000000000
00000000000000001111111111111000000000000000000000
00000000000000001111111111111000000000000000000000
00000000000000001111111111111000000000000000000000
00000000000000001111111111111000000000000000000000
00000000000000001111111111111000000000000000000000
00000000000000001111111111111000000000000000000000
00000000000000000111111111111000000000000000000000
00000000000000000111111111111000000000000000000000
00000000000000000011111111111100000000000000000000
00000000000000000011111111111100000000000000000000
00000000000000000011111111111110000000000000000000
00000000000000000011111111111110000000000000000000
00000000000000000011111111111110000000000000000000
00000000000000000011111111111110000000000000000000
00000000000000000011111111111110000000000000000000
00000000000000000011111111111110000000000000000000
00000000000000000011111111111111000000000000000000
00000000000000000011111111111111000000000000000000
00000000000000000001111111111111000000000000000000
00000000000000000001111111111111000000000000000000
00000000000000000001111111111111000000000000000000
00000000000111100001111111111111000000000000000000
00000000000111111101111111111111000000000000000000
00000000000111111111111111111111100000000000000000
00000000000011111111111111111111100000000000000000
00000000000000011111111111111111110000000000000000
00000000000000000011111111111111110000000000000000
00000000000000000000111111111111111000000000000000
00000000000000000000000011111111111110000000000000
00000000000000000000000000001111111111110000000000
00000000000000000000000000000011111111111100000000
00000000000000000000000000000000111111111110000000
00000000000000000000000000000000000111111111000000
00000000000000000000000000000000000000111111000000
00000000000000000000000000000000000000001111000000
00000000000000000000000000000000000000000001000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000