#include <stdio.h>
#include <stdlib.h>

typedef union  {
     short data_short;
     char data_char[2];

} input_data;




int main (int index, char** data){
     
     
     

	if (index >2 || index == 1){
		fprintf(stdout,"More or less arguments expected\n");
		exit(-1);
	}else{
		if ( *((*(data+1))+1) != 0 && *((*(data+1))+2) != 0 && *((*(data+1))+3) != 0 && *((*(data+1))+4) == 0){
                        input_data data_union;
                        input_data data_union_inverted;
			for (int i = 0;i<4;i++){
				if( ((*((*(data+1))+i) >= 48) &&  (*((*(data+1))+i) <=57) ) || ((*((*(data+1))+i) >= 97) &&  (*((*(data+1))+i) <=102) )){
                                     continue;
                                   }else{
                                        fprintf(stdout,"Bad Formatted\n");
                                        exit(-2);
                                   }	
				
			}
                        char buf[3];
                        for (int i = 0;i<2;i++){
				buf[0]= *((*(data+1))+(i*2));
                                buf[1]= *((*(data+1))+(i*2)+1);
                                buf[2]= 0;
                                
                                sscanf (buf,"%hx",(short *)&(data_union.data_char[i]));
                                data_union_inverted.data_char[1-i] = data_union.data_char[i] ;
                                
				
			}


                        for (int i = 0;i<2;i++){
                         fprintf(stdout,"0x%02x\n",data_union.data_char[i]);
                        }
                        
                        fprintf(stdout,"Big Endian %d\n",data_union.data_short);
                        fprintf(stdout,"Little Endian %d\n",data_union_inverted.data_short);
                        
                        


		}else{
			fprintf(stdout,"Bad Input Lenght\n");
		}
	
	}	




return 0;
}