#include <bits/stdc++.h>
//define
#define yes (cout<<"Yes"<<endl)
#define no (cout<<"No"<<endl)
using namespace std;

int main(){
string s;cin>>s;
int c=0;
for(char x:s){
    if(x=='#'){
        c++;
    }
    else if(c==1){
        cout<<x;
    }
}cout<<endl;

}