#include <bits/stdc++.h>

using namespace std;

template<class F, class S>
ostream &operator<<(ostream &s, const pair<F, S> &v) {
	s << "(" << v.first << ", " << v.second << ")";
	return s;
}
template<ranges::range T> requires (!is_convertible_v<T, string_view>)
istream &operator>>(istream &s, T &&v) { 
	for (auto &&x : v) s >> x; 
	return s; 
}
template<ranges::range T> requires (!is_convertible_v<T, string_view>)
ostream &operator<<(ostream &s, T &&v) { 
	for (auto &&x : v) s << x << ' '; 
	return s; 
}

#ifdef LOCAL
template<class... T> void dbg(T... x) {
	char e{};
	((cerr << e << x, e = ' '), ...);
}
#define debug(x...) dbg(#x, '=', x, '\n')
#else
#define debug(...) ((void)0)
#endif

#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define ff first
#define ss second

template<class T> inline constexpr T inf = numeric_limits<T>::max() / 2;
bool chmin(auto &a, auto b) { return (b < a and (a = b, true)); }
bool chmax(auto &a, auto b) { return (a < b and (a = b, true)); }

using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
using i128 = __int128;
using u128 = unsigned __int128;

constexpr i64 mod = 998244353;
    
void solve() {
	int a, b, c;
	cin >> a >> b >> c;

	cout << 100 << '\n';
	for (int i = 0; i < 100; i++) {
		int x = a;
		if (i >= 50) {
			x = b;
		}
		if (i >= 95) {
			x = c;
		} 
		if (i >= 99) {
			x = c + 1;
		}
		cout << x << " \n"[i == 99];
	}
}

signed main() {
	cin.tie(0)->sync_with_stdio(0);
	cin.exceptions(cin.failbit);

	int t = 1;
	// cin >> t;

	while (t--) {
		solve();
	}

	return 0;
}