杭电oj 2006 java

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import java.util.Scanner;

class Main {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner read = new Scanner(System.in);
        while(read.hasNextInt()) {
            int count = read.nextInt();
            int res = 1;
            while(count-->0) {
                int tmp = read.nextInt();
                if (tmp%2==1)    res*=tmp;
            }
            System.out.println(res);
        }
        read.close();
    }

}