/* package whatever; // don't place package name! */
import java.util.* ;
import java.lang.* ;
import java.io.* ;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
// your code goes here
}
}
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stdin
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from array import array
A = array("i")
N = int(input())
A = [0] * N
k = 0
for i in range(0, N):
A[i] = int(input())
print('A=', A)
for i in range(0, N):
if A[i] == 0:
k = i
A.pop(k) # k-шы элементті өшіру
print('A=', A)