#include<bits/stdc++.h> using namespace std; #define int long long const int MAXN=114514; int ccf=250; string s; string s1,s2,s3,s4; int a1=0,a2=0,a3=0,a4=0; signed main(){ //freopen("aha.in", "r", stdin); // freopen("aha.out", "w", stdout); cin>>s; int len=s.length(); s=" "+s; for(int i=1;i<=len;i++){ if('a'<=s[i]&&s[i]<='z'){ a1++; s1[a1-1]=s[i]; }else if('A'<=s[i]&&s[i]<='Z'){ a2++; s2[a2-1]=s[i]; }else if('0'<=s[i]&&s[i]<='9'){ a3++; s3[a3-1]=s[i]; }else{ a4++; s4[a4-1]=s[i]; } }cout<<"password level:"<<(a1>=1)+(a2>=1)+(a3>=1)+(a4>=1)<<endl; if(a1>=1){ for(int i=0;i<a1;i++) cout<<s1[i]; cout<<endl; }else{ cout<<"(Null)"<<endl; } if(a2>=1){ for(int i=0;i<a2;i++) cout<<s2[i]; cout<<endl; }else{ cout<<"(Null)"<<endl; } if(a3>=1){ for(int i=0;i<a3;i++) cout<<s3[i]; cout<<endl; }else{ cout<<"(Null)"<<endl; } if(a4>=1){ for(int i=0;i<a4;i++) cout<<s4[i]; cout<<endl; }else{ cout<<"(Null)"<<endl; } return 0; } /*lzszs*/