17 lines
326 B
Rust
17 lines
326 B
Rust
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use std::io;
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use std::collections::HashSet;
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fn main() {
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let mut s = String::new();
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io::stdin().read_line(&mut s).unwrap();
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let mut seen = HashSet::new();
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s.retain(|c| seen.insert(c));
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if s.trim().len() % 2 != 0 {
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println!("IGNORE HIM!");
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} else {
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println!("CHAT WITH HER!");
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}
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}
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