#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    char a[26]={'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'};
    cin>>n;
    if(n%26!=0){
    for(int i=0;i<26;i++){
    	a[i]+=n;
    	if(a[i]>'Z'){
    		a[i]=a[i]-26;
		}
	}}
	for(int i=0;i<26;i++){
		cout<<a[i];
	}
    return 0;
}