# include <stdio.h>
# include <stdlib.h>
# include <math.h>
# define M_PI 3.14159265358979323846264338379

int main(void) {
	double reel;
	printf("Entrez un réel : ");
	scanf("%lf", &reel);
	printf("chiffre des unités : %d\n", (int) floor(reel) % 10);
	printf("chiffre des dixièmes : %d\n", (int) floor(reel * 10) % 10);
	return EXIT_SUCCESS;
}