#include <cstdio>
#include <vector>
#include <algorithm>
#include <cstring>
#include <string>
#include <cctype>
#include <sstream>
#include <cmath>
#include <climits>
#include <set>
#include <iostream>
#include <map>
#include <functional>
#include <cstdlib>
#include <numeric>
#include <queue>
#include <complex>

using namespace std;

#define reep(i,f,n) for(int i=f; i<int(n); ++i)
#define rep(i,n) reep(i,0,n)

typedef vector<int> vi;
typedef pair<int, int> pii;
typedef complex<double> Point;

int main()
{
	int n;
	while(scanf("%d", &n), n!=-1){

		Point p(1.0, 0.0), v(0.0, 1.0);
		rep(i, n-1){
			p += v;
			v = p/abs(p)*Point(0.0, 1.0);
		}
		printf("%lf\n%lf\n", p.real(), p.imag());
	}

	return 0;
}