#include<bits/stdc++.h>
using namespace std;
int main()
{
	for(int i=65;i<=90;i++)
	{
		if(i%2!=0&&i%3!=0&&i%5!=0&&i%7!=0)
		{
			cout<<i<<" "<<char(i)<<endl;
		}
	}
	for(int i=97;i<=122;i++)
	{
		if(i%2!=0&&i%3!=0&&i%5!=0&&i%7!=0)
		{
			cout<<i<<" "<<char(i)<<endl;
		}
	}
 return 0;
 }

/**************************************************************
	Problem: 1972
	User: lzc
	Language: C++
	Result: Wrong Answer
****************************************************************/