<?php fscanf(STDIN,"%d",$n); $array = array(); for ($i=0; $i<$N; $i++){ fscanf(STDIN, "%d", $tmp); $S[] = $tmp; } $total = 0; foreach ($array as $element){ $total += $element; } echo $total % $n; $ans = ($total % $n) == 0 ? 'Yes' : 'No'; echo $ans;