#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ char m; char a; for(m='a';m<='z';m++){ cout<<m<<" "; } cout<<endl; for(m='Z';m>='A';m--){ cout<<m<<" "; } return 0; }