/**
- @param N Number
- @return String
*/
var Solution = function(N){
var a if(N<=26) { a=0 }else { a=parseInt(N/26) } var b=N%26 if(b===0) { b=25 }else { b=b-1 } var c='' var s="ABCDEFGHIJKLMNOPQRSTUVWXYZ" if(a===0) { c=c+s[b] }else { c=c+s[a-1]+s[b] } return c
};
