#include<bits/stdc++.h> using namespace std; int main(){ char ch[1000000]; cin>>ch; int n=0; while(ch[n]!='\0'){ n++; if(ch[n]>='0' and ch[n]<='9'){ ch[n]='0'; } } for(int i=0;i<=n;i++){ if(ch[i]!='0'){ cout<<ch[i]; } } cout<<endl; }