#include<cstdio> #include<iostream> using namespace std; int main() { for(char i=97;i<=121;i++) { cout<<i<<","; } cout<<char(122)<<" "; for(char j=90;j>=66;j--) { cout<<j<<","; } cout<<char(65); /* int n,m; cin>>n>>m; for(char i=n+96;i<=m+96;i++) { cout<<i<<" "; } */ return 0; }