#include <stdlib.h>
#include <inttypes.h>

uint64_t __rand48_step(unsigned short* xi, unsigned short* lc);
extern unsigned short __seed48[7];

long jrand48(unsigned short s[3]) {
  return __rand48_step(s, __seed48 + 3) >> 16;
}

long mrand48(void) {
  return jrand48(__seed48);
}