d-gdc, 92 bytes

Result

WA

Duration

1788ms

Code [DL]

import std.stdio;
void main(){
string s = readln;
write(s);
for(int i=0;i<16;i++)write(0);
}

stdin

11011100110101001100100001001010000110100101010100

stdout

110111001101010011001000010010100001101001010101000000000000000000

stderr

strace