462
Now , Mr. Gren and the thousands of other victims worldwide face an agonizing choice : either hand over the ransom — a figure that has climbed to $ 600 for each affected machine — by a deadline this Friday , or potentially lose their digital information , including personal photos , hospital patient records and other priceless data , forever .
 ( ransom: the ransom,  Mr. Gren: victim, victims: victim, $ 600: price, machine: victim, Friday: time) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( ransom: the ransom,  Mr. Gren: victim, victims: victim, $ 600: price, machine: victim, Friday: time) 