2113 Secret Number

感觉着出题的人脑残了，搞个这样的格式又不说清楚，

输出格式应该是这样的：

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#include
int main()
{
    long int n,a,b;
    int c=0;
    while(scanf("%d",&n)!=EOF)
    {
        int s=0;
        while(n)
        {
        a=n%10;
        if(a%2==0)
        s=s+a;
        n=n/10;
        }
        c++; 
        if(c==1)
        printf("%d\n",s);
        else
        printf("\n%d\n",s);
       
    }
    return 0;