Notice: Use of undefined constant STDIN - assumed 'STDIN' in /in/F8LDj on line 2
string(5) "STDIN"
Notice: Use of undefined constant STDIN - assumed 'STDIN' in /in/F8LDj on line 3
Warning: fclose(): supplied argument is not a valid stream resource in /in/F8LDj on line 3
Notice: Use of undefined constant STDIN - assumed 'STDIN' in /in/F8LDj on line 4
string(5) "STDIN"