int is (int number)
{
    int sum,item;
    sum=0;
    while(number!=0)
    {
        item=number%10;number=number/10;sum=sum+item;
    }
    if(sum==5)
    return 1;
    else
    return 0;
}
void count_sum(int a,int b)
{
    int i,sum=0,count=0,t;
    if(a>b)
    {
        t=a;a=b;b=t;
    }
    else
    for(i=a;i<=b;i++)
    {
        if(is(i))
        {
            count++;
            sum=sum+i;
        }
    }
    printf("count = %d, sum = %d",count,sum);
}