#include<bits/stdc++.h>
using namespace std;
int main()
{
double n;
while(scanf("%lf",&n)!=EOF)
{
int i;
for(i=1;;i++)
{
n=floor(sqrt(n));
if(n==1) break;
if(i>5) break;
}
if(i<=5)
cout<<i<<endl;
else
cout<<"TAT"<<endl;
}
return 0;
}
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