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package main
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import (
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"bufio"
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"fmt"
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"os"
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)
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func main() {
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i := 0
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s := bufio.NewScanner(os.Stdin)
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for ; s.Scan(); i++ {
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fmt.Printf(
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"%d\t%s\n",
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i,
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s.Text(),
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)
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}
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if err := s.Err(); err != nil {
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fmt.Fprintln(os.Stderr, "err:", err)
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os.Exit(1)
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}
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}
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