package main

import (
	"fmt"
)

func main() {
	var n, p, q, level int
	fmt.Scan(&n)

	passed := make(map[int]bool)

	fmt.Scan(&p)
	for i := 0; i < p; i++ {
		fmt.Scan(&level)
		passed[level] = true
	}

	fmt.Scan(&q)
	for i := 0; i < q; i++ {
		fmt.Scan(&level)
		passed[level] = true
	}

	if len(passed) == n {
		fmt.Println("I become the guy.")
	} else {
		fmt.Println("Oh, my keyboard!")
	}
}