#include<bits/stdc++.h>
#define endl '\n'
#define int long long
using namespace std;


map<string,int>mp;
int idx;

void solve()
{
    string s;
    cin>>s;
    while(1)
    {
        mp.clear();
        string hou,p;
        int flag=0;
        for(int i=0;i<s.size();i++)
        {
            if(flag==1)
            {
                hou+=s[i];
                continue;
            }
            if(s[i]=='!')
            {
                if(mp.count(p)==0)
                {
                    mp[p]=++idx;
                    p="";
                }
                else
                {
                    flag=1;
                }
            }
            else
            {
                if(s[i]>='a'&&s[i]<='z')
                    p+=s[i];
                else
                {
                    char t=s[i];
                    t+=32;
                    p+=t;
                }
            }
        }
        if(flag==0)
        {
            cout<<s<<endl;
            return ;
        }
        string qian;
        string pp,t;
        //cout<<s<<endl;
        for(int i=0;i<s.size();i++)
        {
            if(s[i]=='!')
            {
                qian+=t;
                qian+='!';
                if(pp==p)
                    break;
                pp="";
                t="";
                
            }
            else
            {
                //cout<<s[i]<<endl;
                t+=s[i];
                if(s[i]>='a'&&s[i]<='z')
                    pp+=s[i];
                else
                {
                    char tt=s[i];
                    tt+=32;
                    pp+=tt;
                }
            }
        }
        s=qian+hou;
    }
    return ;
}

signed main()
{
    int t=1;
    //cin>>t;
    while(t--)
    {
        solve();
    }
    return 0;
}