#include <stdio.h>
#define SIZE 31

int main()
{
    char data[SIZE];
    int i, j = 0, k = 0;
    
    printf("Enter a string of up to %d letters (upper and lowercase), NO spaces: ", (SIZE-1));
    scanf("%s", data);
    
    for(i = 0; i < SIZE; i++)
    {
        if (data[i] != 0)
        {
            if ((data[i] >= 65) && (data[i] <= 90))
            {
                j = j + data[i];
                k++;
            }
        }
        else
        {
            break;
        }
    }
    
    i = j / k;
    j = i;
    
    printf("After processing, j is: %c\n", j);
    
    return(0);
}