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String s = new Scanner(System.in).nextLine().toLowerCase();
int val = (1 << 26) - 1;
int res = 0;
for(int i = 0; i < s.length(); ++i){
int c = s.charAt(i) - 'a';
if(c>= 0 && c< 26)
res |= 1 << c;
}
System.out.println(val == res ? "pangram" : "not pangram");
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Pangrams
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So did I: