#include<stdio.h>
int main(int argc, const char * argv[]) {
// insert code here...
unsigned int a, b;
a=0x12345678;b=-1;
if (a>b) printf("a");
else printf("b\n");
printf("a=%x\n",*(&a));
printf("a=%x\n",*(&a+1));
printf("a=%x\n",*((char*)(&a)));
printf("a=%x\n",*((char*)(&a)+1));
return 0;
}