#include <iostream>
#include <cmath>
using namespace std;

int main(){
	int a,b,c,d,valor1,valor2;
	double sol;
	bool fin = false;
	cin >> a >> b>> c>> d;
	valor1 = a, valor2 = c;
	while(((a<=valor1) && (valor1 <= b)) && (fin == false)){
		valor2 = c;
		while((c<=valor2) && (valor2<=d) && (fin == false)){
			sol = (valor1*valor1)+(valor2*valor2);
			if(sqrt(sol)-int(sqrt(sol)) == 0){
				fin = true;
			}
			if(fin == false){
				++valor2;
			}
		}
		if(fin == false){
			++valor1;
		}
	}
	if(fin == false){
		cout << "Sense solucio!"<< endl;
	}
	else{
		cout << valor1 << "^2 + " << valor2 << "^2 = " << sqrt(sol) << "^2" << endl;
	}
}