text: #include <stdio.h>
  
  int main(){
  	unsigned int random;
  	random = rand();	// random value!
  
  	unsigned int key=0;
  	scanf("%d", &key);
  
  	if( (key ^ random) == 0xdeadbeef ){
  		printf("Good!\n");
  		system("/bin/cat flag");
  		return 0;
  	}
  
  	printf("Wrong, maybe you should try 2^32 cases.\n");
  	return 0;
  }
  