#include<bits/stdc++.h>
using namespace std;
string s,str;
int b[5];
int main()
{
    cin>>str;
    str+=',';
    for(int i=0;i<str.length();i++){
        if(str[i]!=','){
            s+=str[i];
            continue;
        }
        b[4]=1;
        int A=s.length();
        if(A<=12 && A>=6){
            for(int j=0;j<A;j++){
                if(s[j]<='Z' && s[j]>='A') b[1]=1;
                else if(s[j]<='z' && s[j]>='a') b[0]=1;
                else if(s[j]=='!' || s[j]=='@' || s[j]=='#' || s[j]=='$') b[3]=1;
                else if(s[j]>='0' && s[j]<='9') b[2]=1;
                else if(!(s[j]=='!' || s[j]=='@' || s[j]=='#' || s[j]=='$')) b[4]=0;
            }
            if(b[0]+b[1]+b[2]>=2 && b[3]==1 && b[4]==1){
                cout<<s<<endl;
            }
        }
        b[0]=b[1]=b[2]=b[3]=0;
        s="";

    }
    return 0;
}