Print array 3#8955
Array of integers is given. Print all its positive elements, do not change their initial order.
First line contains number (1 \leq n \leq 100). Second line contains integers, each no more than by absolute value.
In the first line print the number of positive elements in array. In the second line print the positive elements. If there are no positive elements in the array, print "NO".
Example 1
Example 2