#include <bits/stdc++.h>
using namespace std;
int main() {
// your code goes here
string s;
getline(cin,s);
int c=0;
for(int i='a';i<='z';i++){
for(int j=0;j<s.length();j++){
s[j]=tolower(s[j]);
if(s[j]==i){
c=1;
break;
}
else{
c=0;
}
}
if(c==0){
c=0;
break;
}
}
if(c==0){
cout<<"not pangram";
}
else{
cout<<"pangram";
}
return 0;
}
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