#include <bits/stdc++.h>
using namespace std;
int main() {
string s;
getline(cin,s);
sort(s.begin(),s.end());
int c=0;
for(int i=0;i<s.length();i++){
if((((int)s[i]>=65 && (int)s[i]<=91) || ((int)s[i]>=97 && (int)s[i]<=122)) && (s[i]!=s[i+1])){
c++;
}
}
if(c==26){
cout<<"pangram\n";
}
else{
cout<<"not pangram";
}
return 0;
}
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