杭电ACM2113题

#include<stdio.h>
int main()
{
	int k=1;
	int n,m,sum;
	while(scanf("%d",&n)!=EOF)
	{
		sum=0;
		while(n!=0)
		{
			m=n%10;
			n=n/10;
			if(m%2==0)
			{	
			    sum=sum+m;
			}	
		}
		if(k==1)
		{	
		    printf("%d\n",sum);
		}	
		if(k!=1)
		{	
		    printf("\n%d\n",sum);
		}	
		k++;
	}
	return 0;
}