10909: ABC362 - A - Buy a Pen
[Creator : ]
Description
Takahashi came to a store to buy a pen. Here, a red pen costs $R$ yen, a green pen costs $G$ yen, and a blue pen costs $B$ yen.
Takahashi dislikes the color $C$. If $C$ is Red, he cannot buy a red pen; if $C$ is Green, he cannot buy a green pen; and if $C$ is Blue, he cannot buy a blue pen.
Determine the minimum amount of money he needs to buy one pen.
Input
The input is given from Standard Input in the following format:
```
$R$ $G$ $B$
$C$
```
```
$R$ $G$ $B$
$C$
```
Output
If the minimum amount of money Takahashi needs to buy one pen is $X$ yen, print $X$.
Constraints
- $ 1\leq R,G,B\leq 100$
- $R$, $G$, and $B$ are integers.
- $C$ is
Red,Green, orBlue.
Sample 1 Input
20 30 10
Blue
Sample 1 Output
20
A red pen costs $20$ yen, a green pen costs $30$ yen, and a blue pen costs $10$ yen. Takahashi cannot buy a blue pen, but he can buy a red pen for $20$ yen.
Sample 2 Input
100 100 100
Red
Sample 2 Output
100
Sample 3 Input
37 39 93
Blue
Sample 3 Output
37