Selection Test 1

Source: beecrowd

Version: Phuoc Hung OJ Extended

Problem Statement

Given integers $A,B,C,D$, the values are accepted exactly when all conditions hold: $B>C$, $D>A$, $C+D>A+B$, $C>0$, $D>0$, and $A$ is even.

Input

One line contains $A$, $B$, $C$, and $D$.

Output

Print Valores aceitos if all conditions hold; otherwise print Valores nao aceitos.

Subtasks

• Subtask 1 (100%): $-10^9 \le A,B,C,D \le 10^9$

Examples

Example 1

Input

5 6 7 8

Output

Valores nao aceitos

Explanation

For the sample values 5, 6, 7, 8, evaluating the conditions in the statement gives Valores nao aceitos. Therefore the program prints the shown output.

Example 2

Input

2 3 2 6

Output

Valores aceitos

Explanation

For the sample values 2, 3, 2, 6, evaluating the conditions in the statement gives Valores aceitos. Therefore the program prints the shown output.