Result

WA

Code [DL]

<?while($s=fgets(STDIN))echo"$s$s";

stdin

01111010
00011100
01001110
00011111
00001010
00001111
11110100
00000111
01011101
10001000
11001011
00110111
11010010
11000100
10111110
01101011
00000110
10100101
00010101
10000110
00110110
01101001
00000001
00000010
01101100
00000011
10101011
00100100
10011001
11011000
11011101
01111000
00000000
11111101
01111000
00110100
00111101
11010011
01111110
01001010
10001000
01011011
01010010
00011000
01010001
11100111
01000010
10010001
00101101
01110101

stdout

<?while($s=fgets(STDIN))echo"$s$s";

stderr

strace