#include<bits/stdc++.h>
#include<string>
using namespace std;
int main() {
string s;
getline(cin,s);
int count=0;
for(char i='a';i<='z';i++){
for(int j=0;j<s.length();j++){
s[j]=tolower(s[j]);
if(s[j]==i){
count++;
break;
}
}
}
if(count==26){
cout<<"pangram";
}
else{
cout<<"not pangram";
}
return 0;
}
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