#include<iostream> using namespace std; int main(){ char s1[1000001]; cin.getline(s1,1000001); for(int i=0;i<=1000001;i++){ if(s1[i]=='\0'){ break; }else if(s1[i]>='0'&&s1[i]<='9'){ continue; }else{ cout<<s1[i]; } } return 0; }