#include<bits/stdc++.h> #define ll long long using namespace std; string s1,s2,s3; int main(){ getline(cin,s1); int len=s1.size(); s2=s1; s3=s1; cout<<s1<<endl; for(int i=0;i<=len;i++){ if(s2[2]>='A'&&s2[i]<='Z'){ s2[i]=' '; } } for(int i=0;i<=len;i++){ if(s3[2]>='a'&&s3[i]<='z'){ s3[i]=' '; } } for(int i=0;i<=len;i++){ cout<<s1[i]; } cout<<endl; for(int i=0;i<=len;i++){ cout<<s2[i]; } cout<<endl; for(int i=0;i<=len;i++){ cout<<s3[i]; } return 0; }