Input: 1 1 0
Polynomial: x^2 + x
Input: -1 -1 0
Polynomial: -x^2 - x
Input: 1 1 0 0
Polynomial: x^3 + x^2
Input: -1 -1 0 0
Polynomial: -x^3 - x^2
Input: 2 34 0
Polynomial: 2x^2 + 34x
Input: -2 -34 0
Polynomial: -2x^2 - 34x
Input: 2 123 0 0
Polynomial: 2x^3 + 123x^2
Input: 23 -4 132 -17 -32 0 4
Polynomial: 23x^6 - 4x^5 + 132x^4 - 17x^3 - 32x^2 + 4
Input: 72 14 3 0 8 1234 0 4 0 2 1
Polynomial: 72x^10 + 14x^9 + 3x^8 + 8x^6 + 1234x^5 + 4x^3 + 2x + 1