#include <iostream>

void trasmette(int T, int n);

int main()
{
	int sr[4];
	int x;

	int s1[4] = { 1,1,1,1 };
	int s2[4] = { 1,-1,1,-1 };
	int s3[4] = { 1,1,-1,-1 };
	int s4[4] = { 1,-1,-1,1 };

	printf("inserisci Sr:\n");

	for (int i = 0; i < 4; i++)
	{
		scanf_s("%d", &sr[i]);
	}


	int T1 = ((sr[0] * s1[0]) + (sr[1] * s1[1]) + (sr[2] * s1[2]) + (sr[3] * s1[3])) / 4;
	int T2 = ((sr[0] * s2[0]) + (sr[1] * s2[1]) + (sr[2] * s2[2]) + (sr[3] * s2[3])) / 4;
	int T3 = ((sr[0] * s3[0]) + (sr[1] * s3[1]) + (sr[2] * s3[2]) + (sr[3] * s3[3])) / 4;
	int T4 = ((sr[0] * s4[0]) + (sr[1] * s4[1]) + (sr[2] * s4[2]) + (sr[3] * s4[3])) / 4;

	trasmette(T1, 1);
	trasmette(T2, 2);
	trasmette(T3, 3);
	trasmette(T4, 4);




}


void trasmette(int T, int n)
{

	switch (T)
	{
	case 1:
		printf("Stazione %d: 1\n", n);
		break;
	case 0:
		printf("Stazione %d tace\n", n);
		break;
	case -1:
		printf("Stazione %d: 0\n", n);
		break;
	default:
		break;
	}
}