#include<iostream> #include<cstdio> #include<cstring> using namespace std; int main() { string b; cin>>b; cout<<b<<endl; string a = b,c =b; int s = a.size(); for(int i=0;i<s;i++) { if(a[i]<='Z'&&a[i]>='A') { a[i] = ' '; } } cout<<a; cout<<endl; for(int i=0;i<s;i++) { if(c[i]<='z'&&c[i]>='a') { c[i] = ' '; } } cout<<c; return 0; }