#include<bits/stdc++.h>
using namespace std;
int main(){    
    //定义变量，初始化
    string a,b;
    int da,xiao,shu,fu,else_;
    da=xiao=shu=fu=else_=0;
    cin>>a;
    a+=','; //给a补充一个','，否则判断不到最后一个
    for(int i=0;i<=a.size();i++){
        //计数
        if(a[i]!=','){
            if(a[i]>='a' && a[i]<='z'){
                xiao++;
            }
            else if(a[i]>='A' && a[i]<='Z'){
                da++;
            }
            else if(a[i]>='0' && a[i]<='9'){
                shu++;
            }
            else if(a[i]=='@' || a[i]=='!' || a[i]=='#' || a[i]=='$'){
                fu++;
            }
            //不要忘记判断其他情况
            else{
                else_++;
            }
            b+=a[i];
        }
        else{
            b+='\0'; //结尾必须为'\0'
            //调试
            //cout<<da<<" "<<xiao<<" "<<shu<<" "<<fu<<" "<<else_<<" "<<b<<endl; 
            if(fu>=1 && else_==0){ //判断
                if((da>0 && shu>0) || (xiao>0 && shu>0) || (da>0 && xiao>0)){
                    if(b.size()>=7 && b.size()<=13){
                        cout<<b<<endl;
                    }
                }
            }
            //重置
            b=""; 
            da=xiao=shu=fu=0;
            else_=0;
            //重置
        }
    }
    return 0;
}

#include<bits/stdc++.h> using namespace std; int main(){
string a,b; int da,xiao,shu,fu,else_; da=xiao=shu=fu=else_=0; cin>>a; a+=','; for(int i=0;i<=a.size();i++){ if(a[i]!=','){ if(a[i]>='a' && a[i]<='z'){ xiao++; } else if(a[i]>='A' && a[i]<='Z'){ da++; } else if(a[i]>='0' && a[i]<='9'){ shu++; } else if(a[i]'@' || a[i]'!' || a[i]'#' || a[i]'$'){ fu++; } else{ else_++; } b+=a[i]; } else{ b+='\0'; if(fu>=1 && else_==0){ if((da>0 && shu>0) || (xiao>0 && shu>0) || (da>0 && xiao>0)){ if(b.size()>=7 && b.size()<=13){ cout<<b<<endl; } } } b=""; da=xiao=shu=fu=0; else_=0; } } return 0; }