#include <bits/stdc++.h>
using namespace std;
int main()
{
int a, b;
cin >> a >> b;
cout << "f(x)=";
if (a == -1) {
cout << "-x";
} else if (a == 1) {
cout << "x";
} else if (a != 0) {
cout << a << "x";
}
if (b > 0) {
if (a != 0) {
cout << "+";
}
cout << b;
} else if (b < 0) {
cout << b;
}
if (a == 0 && b == 0) {
cout << 0;
}
cout << endl;
return 0;
}
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