#include<bits/stdc++.h> using namespace std; long long arr[10], comp; char str[107]; int main(){ arr[0] = 1LL; for(int i = 1; i < 6; i ++) arr[i] = (arr[i - 1] + 1) * (arr[i - 1] + 1) - 1; while(~scanf("%s", str)){ int len = strlen(str); if(len > 10){ printf("TAT "); }else{ sscanf(str, "%lld", &comp); if(comp > arr[5] || !comp)printf("TAT "); else printf("%d ", lower_bound(arr, arr + 6, comp) - arr); } } return 0; }