#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define all(x) (x).begin(), (x).end() #define bit(x) (1 << (x)) #define cnt1(x) (__builtin_popcount(x)) #define LB lower_bound #define LET(it,v) __typeof(v) it(v) #define mset0(x) memset((x), 0, sizeof((x))) #define mset1(x) memset((x), -1, sizeof((x))) #define pb push_back #define PQ priority_queue #define REP(it,v) for(LET(it,v.begin());it!=v.end();it++) #define sqr(x) ((x)*(x)) #define sz(x) ((int)(x.size())) #define UB upper_bound #define X first #define Y second using namespace std; typedef long long LL; typedef double DB; typedef pair pii; typedef pair pll; typedef vector vi; typedef vector vpii; template inline void chkmin(T &a, T b) { if (b < a) a = b; } template inline void chkmax(T &a, T b) { if (a < b) a = b; } int main() { int T, n; for (scanf("%d", &T); T--; ) { scanf("%d", &n); if (n == 1) { puts("1"); continue; } int ans = 0; for (int i = 1; i <= n / 2 + 1; i++) { if (180 * i > 90 * (n + 1)) break; if (__gcd(n + 1, i) == 1) ans++; } printf("%d\n", ans * 2); } return 0; }