#include <stdlib.h>#include <stdio.h>#include "sar.h"int main (int argc, char** argv){  unsigned int u,v;    u = 0;  v = 0;  while(scanf("%x %u\n", &u, &v) >= 2){        printf("0x%.8x\n", shift_algebraic_right(u, v));    u = 0;    v = 0;  }	  return 0;}