#define _CRT_SECURE_NO_WARNINGS
#include"bits/stdc++.h"
#ifdef _DEBUG
#define DBG(n) n
#else
#define DBG(n)
#endif
#define INF         1e9
#define INFLL       1e18
#define EPS         1e-9
#define REP(i,n)    for(ll i=0,i##_len=(n);i<i##_len;++i)
#define REP1(i,n)   for(ll i=1,i##_len=(n);i<=i##_len;++i)
#define REPR(i,n)   for(ll i=(n)-1;i>=0;--i)
#define REPR1(i,n)  for(ll i=(n);i>0;--i)
#define REPC(i,obj) for(auto i:obj)
#define ALL(obj)    (obj).begin(),(obj).end()
#define SETP(n)     cout << fixed << setprecision(n)
using namespace std;
using ll = long long;
template<typename T = ll>inline T in() { T ret; cin >> ret; return ret; }

signed main()
{
	ll n;
	while ((n = in()) != -1) {
		double x = 1, y = 0, theta = 0;
		REP(i, n - 1) {
			double ox = x, oy = y;
			x -= sin(theta);
			y += cos(theta);
			theta += atan(1 / hypot(ox, oy));
		}
		SETP(10);
		cout << x << endl;
		cout << y << endl;
	}
}
