#include <iostream>

#include <string>

using namespace std;

int main()

{

  string a;

  while (cin >> a) {

    int b[26]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26}, c[26]={27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52},chr=a.size(), num=0, kk=0;

    for (int i=0;i<chr;i++) {

      if (a[i]>96) {

        num+=b[a[i]-96];

      }

      else {

        num+=c[a[i]-64];

      }

    }

    for (int i=1;i<=num;i++) {

      if (num%i==0) {

        kk+=1;

      }

    }

    kk>2 ? cout << "It is not a prime word." << endl : cout << "It is a prime word." << endl;

  }

}