Problem F: C二级辅导-求偶数和

Problem F: C二级辅导-求偶数和

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 1304  Solved: 923
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Description

编制程序,输入n个整数(n从键盘输入,n>0),输出它们的偶数和。

Sample Input Copy

2
1 2

Sample Output Copy

2