void programul_3() {

	int a, b, cmmmc, rest;
	int x, y;

	printf("Introduceti primul numar intreg pozitiv\na = ");
	scanf("%d", &a);

	while (a < 1){

		printf("\nReintroduceti a = ");

		scanf("%d", &a);
	}

	printf("\nIntroduceti cel de-al doilea numar intreg pozitiv\nb = ");
	scanf("%d", &b);

	while (b < 1){
		printf("\nReintroduceti b = ");
		scanf("%d", &b);
	}

	x = a;
	y = b;

	while (b != 0){
		rest = a % b;
		a = b;
		b = rest;
	}

	printf("\nCmmdc = %d ", a);

	cmmmc = (x*y) / a;

	printf("\nCmmmc = %d ", cmmmc);

	_getch();
}