#include <bits/stdc++.h>
#define PR(x) printf(x ? "YES\n" : "NO\n")
#define pr(x) printf(x ? "Yes\n" : "No\n")
#define mk make_pair
#define pb emplace_back
#define fi first
#define se second
#define pii pair<int, int>
#define fore(i, u, v) for (int i = h[u], v = e[i].v; i; v = e[i = e[i].nxt].v)
#define all(x) x.begin(), x.end()

using namespace std;
inline int read() {
	int x = 0, f = 1;
	char ch = getchar();
	while (! isdigit(ch)) { if (ch == '-') f = -1; ch = getchar(); }
	while (isdigit(ch)) { x = x * 10 + ch - 48; ch = getchar(); }
	return x * f;
}

int main() {
	
	int a = read(), b = read(), c = read();
	cout << 100 << '\n';
	for (int i = 1; i <= 50; i ++) cout << a << ' ';
	for (int i = 51; i <= 95; i ++) cout << b << ' ';
	for (int i = 96; i <= 99; i ++) cout << c << ' ';
	cout << c + 1 << '\n';

	return 0;
}