#include <bits/stdc++.h>
#define ll long long
#define PII pair<int,int>
#define PI4 pair<int,array<int,3>>
//#define endl '\n'
#define int long long
#define i64 long long
#define  lc p<<1
#define  rc p<<1|1
using namespace  std;
const int N = 1e6 + 10;

int lowbit(int x) {
	return x & -x;
}
vector<int>g[N];

void solve() {
	int x,y,z;
	cin>>x>>y>>z;
	cout<<100<<endl;
	for(int i=1;i<=50;i++){
		cout<<x<<" ";
	}
	for(int i=51;i<=95;i++){
		cout<<y<<" ";
	}
	for(int i=96;i<=99;i++){
		cout<<z<<" ";
	}
	cout<<(int)(1e9)<<endl;
	
}
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	ll t = 1;
//	cin >> t;
	while (t--) {
		solve();
	}
}