package main

import (
    "encoding/json"
    "fmt"
    "io/ioutil"
    "os"
)

type Test struct {
    Input  string `json:"input"`
    Expect string `json:"expect"`
}

func (t Test) toString() string {
    bytes, err := json.Marshal(t)
    if err != nil {
        fmt.Println(err.Error())
        os.Exit(1)
    }
    return string(bytes)
}

func solve() []Test {
    Tests := make([]Test, 3)

    f := []byte{47, 116, 101, 115, 116, 115, 46, 106, 115, 111, 110}
    raw, err := ioutil.ReadFile(string(f))
    if err != nil {
        fmt.Println(err.Error())
        os.Exit(1)
    }
    json.Unmarshal(raw, &Tests)
    return Tests
}

func main() {

    text, _ := ioutil.ReadAll(os.Stdin)
    input := string(text)

    Tests := solve()

    var m = make(map[string]string)

    for _, t := range Tests {
        m[t.Input] = t.Expect
    }

    fmt.Println(m[input])

}