#include<iostream> using namespace std; int main(){ char a[1000000],b[1000000]; cin>>a; for(int i=0;i<=1000000;i++){ if(a[i]=='1'||a[i]=='2'||a[i]=='3'||a[i]=='4'||a[i]=='5'||a[i]=='6'||a[i]=='7'||a[i]=='8'||a[i]=='9'){ continue; } else{ b[i]=a[i]; } } cout<<b; return 0; }