Casino Security

You're head of security at a casino that has money being stolen from it. You get the data in the form of strings and you have to set off an alarm if a thief is detected.

• If there is no guard between thief and money, return "ALARM!"
• If the money is protected, return "Safe"

String Components

• x - Empty Space
• T - Thief
• G - Guard
• $ - Money

Examples

security("xxxxTTxGxx$xxTxxx") ➞ "ALARM!"

security("xxTxxG$xxxx$xxxx") ➞ "Safe"

security("TTxxxx$xxGxx$Gxxx") ➞ "ALARM!"

Notes

Money at the extremes are safe.