#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<ld, ld> pd;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;

#define FOR(i, a, b) for (int i = a; i < (b); i++)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b) - 1; i >= (a); i--)
#define F0Rd(i, a) for (int i = (a) - 1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define sz(x) (int)(x).size()
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define ins insert

const char nl = '\n';

void solve() {
    int W, H, N; cin >> W >> H >> N;
    ld R = H; R /= W;
    ld V = (1-R*R)/2;

    ld A[N+2];
    A[0] = 0;
    A[1] = 1;
    FOR(i, 2, N+2) {
        A[i] = A[i-1] / V - A[i-2];
    }
    ld val = W / A[N+1];
    F0R(i, N+2) A[i] *= val;
    ld ans = 0;
    F0R(i, N+1) {
        ld cur = (A[i+1] * (1+R) - A[i] * (1-R));
        cur *= cur; cur /= 4;
        ans += cur;
    }
    FOR(i, 1, N+1) {
        ld cur = A[i] * R;
        ans -= cur*cur/2;
    }
    cout << fixed << setprecision(15) << ans << endl;
    FOR(i, 1, min(N+1, 11)) {
        cout << A[i] << endl;
    }

}

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	solve();
	return 0;
}