#include <stdio.h>
#include <inttypes.h>

#define typeof_mask 1 
#define val_shift   1 
#define type_fixnum 0 
#define type_bool   1 


int64_t entry();

int main(int argc, char** argv) {
  int64_t result = entry();
  switch (typeof_mask & result) {
  case type_fixnum:
    printf("%" PRId64 "\n", result >> val_shift);
    break;
  case type_bool:
    printf("#%c\n", (result >> val_shift) ? 't' : 'f');
    break;
  }
  return 0;
}