#include<stdio.h>

int main(int argc, char *argv[]){

	FILE* fluxLecture;

	fluxLecture=fopen(argv[1],"r");

	if(fluxLecture){

	  int buffer=0;

		while(!feof(fluxLecture)){

			fread(&buffer,sizeof(char),1,fluxLecture);
			printf(".%x", buffer);
		} 

		printf("\n");
		fclose(fluxLecture);
	}

  

	



	return 0;
}