题目描述
Problem Statement
You are given a sequence of N integers: $A=(A _ 1,A _ 2,\ldots,A _ N)$.
Print all even numbers in A without changing the order.
Input
The input is given from Standard Input in the following format:
N
$A _ 1 A _ 2 \ldots A _ N$
Output
Print a line containing the sequence of all even numbers in A, with spaces in between.
Constraints
- $1\leq N\leq 100$
- $1\leq A _ i\leq 100$\ $(1\leq i\leq N)$
- A contains at least one even number.
- All values in the input are integers.
Sample Input 1
5
1 2 3 5 6
Sample Output 1
2 6
We have A=(1,2,3,5,6).
Among them are two even numbers, A _ 2=2 and A _ 5=6, so print 2 and 6 in this order, with a space in between.
Sample Input 2
5
2 2 2 3 3
Sample Output 2
2 2 2
A may contain equal elements.
Sample Input 3
10
22 3 17 8 30 15 12 14 11 17
Sample Output 3
22 8 30 12 14
输入格式
见题面 Input 部分
输出格式
见题面 Output 部分
样例输入
5
1 2 3 5 6
样例输出
2 6