#include<bits/stdc++.h> using namespace std; string s1,s2,s3; int main(){ getline(cin,s1); s2=s1; s3=s2; int len =s1.size(); cout<<s1<<"\n"; for(int i=0;i<len;i++){ if(s2[i]>='A'&&s2[i]<='Z'){ s2[i]=' '; } } cout<<s2<<"\n"; for(int i=0;i<len;i++){ if(s3[i]>='a'&&s2[i]<='z'){ s3[i]=' '; } } cout<<s3; return 0; }