Given integers \(a,b,c\), compute \(y=a^2+3a-1\) when \(b<=c\); otherwise compute \(y=0\).

Input

Three lines contain \(a,b,c\), in that order.

Output

Print the legacy prompts followed by \(y\), exactly as shown in the example.

Example

Input

1
2
3

Output

Nhap a = Nhap b = Nhap c = Y = 3