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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
const char DIGITS[] = "0123456789ABCDEF";
int cmp(const void *x, const void *y)
{
return *(char *) x - *(char *) y;
}
char idx(char *c)
{
return (char *) bsearch(c, DIGITS, 16, sizeof(char), cmp) - DIGITS;
}
int main()
{
FILE *f = fopen("DIGIT.INP", "r");
char i, x[1], m[128];
long l, j;
unsigned long long *em, *k, *tmp, s[16];
em = calloc(16, sizeof(unsigned long long));
k = calloc(16, sizeof(unsigned long long));
fscanf(f, "%s\n%ld\n%c", m, &l, x);
fclose(f);
for (i = 0; i < strlen(m); em[idx(m + i++)]++);
memcpy(s, em, sizeof(unsigned long long) << 4);
for (j = 1; j < l; j++) {
for (i = 0; i < 16; i++)
if (em[i]) {
k[i]++;
do {
k[em[i] & 15]++;
em[i] >>= 4;
} while (em[i]);
}
tmp = k;
k = em;
em = tmp;
for (i = 0; i < 16; i++)
s[i] += em[i];
puts("");
}
if (l)
for (i = 0; i < 16; i++)
if (em[i]) {
s[i]++;
do {
s[em[i] & 15]++;
em[i] >>= 4;
} while (em[i]);
}
f = fopen("DIGIT.OUT", "w");
fprintf(f, "%Ld\n", s[idx(x)]);
fclose(f);
return 0;
}
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