#include<iostream> using namespace std; int main() { /* int n,m,j,a; cin>>j>>n>>m; for(a=j;a<=n;a++){ if(a%m==0){ cout<<a<<endl; } } */ char i; for(i='a';i<='z';i++){ cout<<i<<" "; } cout<<endl; for(i='Z';i>='A';i--){ cout<<i<<" "; } return 0; }