asf

#include<bits/stdc++.h>
using namespace std;
char a[8][4]={{'a','b','c'},{'d','e','f'},{'g','h','i'},{'j','k','l'},{'m','n','o'},{'p','q','r','s'},{'t','u','v'},{'w','x','y','z'}}
int main(){

return 0;

}