#include <stdio.h>

int increment(int, int);

int main()
{
        int i = 0;
        int sum = 0;

        sum = increment(i, 10);

        fprintf(stdout, "sum is: %d\n", sum);

        return(0);
}

int increment(int value, int max)
{
        if (value < (max - 1))
                value = value + increment(value+1, max);

        return(value);
}