#include <bits/stdc++.h>
using namespace std;
int main() {
string s;
getline(cin,s);
for(int i=0;i<s.size();i++){
s[i]=tolower(s[i]);
}
map<char,int>m;
for(auto k:s){
m[k]++;
}
if(m.size()==27){
cout<<"pangram\n";
}
else{
cout<<"not pangram\n";
}
return 0;
}
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