#include <bits/stdc++.h>
using namespace std;
string s;
char alfabet[2900]="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
char * c;
int p;
char z;
ifstream in("a1z26.in");
ofstream out("a1z26.out");
int main()
{

in>>p;
if(p==1)
{
    while(in>>z)
    {
        for(int j=0;j<strlen(alfabet);j++)
    {
        if(alfabet[j]==z)
        {
            out<<j+1<<" ";
            break;
        }
    }


    }
    return 0;
}
int a,b;
in>>a;
for(int i=1;i<=a;i++)
{
    in>>b;
    out<<alfabet[b-1];
}

    return 0;
}