#include <stdio.h>
#include <stdlib.h>

void c0(char* cv, void (**cf)(), void (*next)());
void c9(char* cv, void (**cf)()) { *cv = '9'; *cf = (void(*)())c0; }
void c8(char* cv, void (**cf)()) { *cv = '8'; *cf = (void(*)())c9; }
void c7(char* cv, void (**cf)()) { *cv = '7'; *cf = (void(*)())c8; }
void c6(char* cv, void (**cf)()) { *cv = '6'; *cf = (void(*)())c7; }
void c5(char* cv, void (**cf)()) { *cv = '5'; *cf = (void(*)())c6; }
void c4(char* cv, void (**cf)()) { *cv = '4'; *cf = (void(*)())c5; }
void c3(char* cv, void (**cf)()) { *cv = '3'; *cf = (void(*)())c4; }
void c2(char* cv, void (**cf)()) { *cv = '2'; *cf = (void(*)())c3; }
void c1(char* cv, void (**cf)()) { *cv = '1'; *cf = (void(*)())c2; }
void c0(char* cv, void (**cf)(), void (*next)()) { *cv = '0'; *cf = (void(*)())c1; next(); }

typedef void (*lol)(int*, void(**)(), void(*)());
static char av = 0, bv = 0;
static lol af = c1, bf = c1;

void c() {
    puts("Buzz");
    exit(0);
}
void b() {
    bf(&bv, &bf, c);
}
void a() {
    af(&av, &af, b);
}

void fizz() {
    puts("Fizz");
}
void buzz() {
    puts("Buzz");
}
void fizzbuzz() {
    puts("FizzBuzz");
}
void num() {
    printf("%c%c\n", bv, av);
}

void (*fbv)();
void (*fb)();

void fb0();
void fb14() { fbv = num; fb = fb0; }
void fb13() { fbv = num; fb = fb14; }
void fb12() { fbv = fizz; fb = fb13; }
void fb11() { fbv = num; fb = fb12; }
void fb10() { fbv = buzz; fb = fb11; }
void fb9() { fbv = fizz; fb = fb10; }
void fb8() { fbv = num; fb = fb9; }
void fb7() { fbv = num; fb = fb8; }
void fb6() { fbv = fizz; fb = fb7; }
void fb5() { fbv = buzz; fb = fb6; }
void fb4() { fbv = num; fb = fb5; }
void fb3() { fbv = fizz; fb = fb4; }
void fb2() { fbv = num; fb = fb3; }
void fb1() { fbv = num; fb = fb2; }
void fb0() { fbv = fizzbuzz; fb = fb1; }

void go() {
    a();
    fb();
    fbv();
    go();
}

void main() {
    fb = fb1;
    go();
}