evenoddfrom digit

#include<stdio.h>
int main()
{
    int a=0,N,r,a1=0;
    printf("Enter input ::");
    scanf("%d",&N);
    while(N!=0)
    {
     r=N%10;
     N=N/10;
    if(r%2==0)
        a=a+r;
    else
        a1=a1+r;
    }
    printf("%d & %d",a,a1);


return 0;
}