#include<bits/stdc++.h>
using namespace std;
int main(){
	int a=1;
	while(true){
		if((int)sqrt(a+100)==sqrt(a+100)){
			if((int)sqrt(a+268)==sqrt(a+268)){
				break;
			} 
		} 
		a++;
	}
	cout<<a;
	return 0;
}
/**************************************************************
	Problem: 1267
	User: admin
	Language: C++
	Result: Runtime Error
****************************************************************/