#include<bits/stdc++.h> using namespace std; int main(){ char c[100000001],a,b; cin.getline(c,100000001); int i=0; while(c[i]!='\0'){ if(c[i]>='0'and c[i]<='9'){ i++; continue; }else{ cout<<c[i]; i++; } } return 0; }