#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned ll
#define endl "\n"
#define PII pair<int,int>
const ll INF=0x3f3f3f3f3f3f3f3f;
const int mod=1e9+9;
const int N=3e5+5;
void solve(){
	double a,b; cin>>a>>b;
	ll ans=(1LL<<20)*b;
	for(int i=1;i<=20;i++) cout<<1;
	for(int i=0;i<20;i++){
		if(ans>>i&1) cout<<2;
		else cout<<1;
	}
}
int main(){
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int T=1; //cin>>T;
    while(T--) solve();
}