【例15.2】 偶数
You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.
说明
读入一个正整数，如果为偶数输出yes。
输入格式
一个正整数。
输出格式
偶数输出yes，否则什么也不输出。
样例
12yes
You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.
读入一个正整数，如果为偶数输出yes。
一个正整数。
偶数输出yes，否则什么也不输出。
12yes
