What is the output of the code snippet given below?

String $s="12345"$;

int $i=1$;

while $)<mi\; id="EditorElement\_1125346">(</mi><mn\; id="EditorElement\_1125340">5</mn>$

$\{$

System.out.print$($s$.$substring$($i$,i+1)$;

i$++$;

$\}$

$2345$

$12345$

$1234$

No output