#include <iostream>
#include<algorithm>
#include<vector>
#include<set>
using namespace std;
 
int main() {
	int i,sum,sum1,n;
	cin>>n;
	vector<int>pre;
	set<int>s1;
	set<int>s2;
	int temp1[n];
	int temp2[n];
	for(i=0;i<n;++i)
		cin>>temp1[i];
	for(i=0;i<n;++i)
		cin>>temp2[i];
	for(i=0;i<sizeof(temp1);++i)
		s1.insert(temp1[i]);	
	for(i=0;i<sizeof(temp2);++i)
		s1.insert(temp2[i]);
	for(i=n;i>=0;--i)
		sum+=i;
	sum1 =accumulate(s1.begin(), s1.end(), 0);
	if(sum==sum1)
		cout<<"I become the guy.";
	else
		cout<<"Oh, my keyboard!";
	return 0;
}

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NAozIDEgMiAzCjIgMiA0

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