#include <iostream>
#include <cmath>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <cctype>
using namespace std;
int main() {
map<char,int> count;
map<char,int>::iterator it;
string s1;
getline(cin,s1);
for(int i=0;i<s1.length();i++){
count[tolower(s1.at(i))]++;
}
for(char ch='a';ch<='z';ch++){
if(count[ch]==0){
cout<<"not pangram";
return 0;
}
}
if(count[' '] == 0){
cout<<"not pangram" ;
return 0;
}
cout<<"pangram";
return 0;
}
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