#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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MiAtMw==

2 -3