Result

WA

Code [DL]

.PHONY: main

main:
	@echo $(STDIN)

stdin

00101001
10111110
01001110
00000001
10011001
01011101
00001000
01000000
11010010
01011011
11100111
00001111
10100100
11100101
00010101
01101110
00000111
01011110
00101101
00000000
11101000
00011001
01111000
01010101
00010101
00011100
00000110
10101110
01000010
11011111
01101000
10100110
00100100
11011001
11010001
00111000
01110010
11100100
11111111
10111110
00001010
00000011
01101001
10001000
11111101
10000000
10101011
00110111
10110000
10111000

stdout

00101001
/volume/CODE:4: recipe for target 'main' failed

stderr

make: 10111110: Command not found
make: *** [main] Error 127

strace