Hello stranger! The third flag is:
cQQZjlJsmvJFFsHXZfQvQLYzBjTdqpVdnbFXMLTTQNVWcRQblglpnFYMMtLkMFYXYlx RfjgFJDygJTbmywwPZFyhsqgGJpyYTtSWGLNCrVYdXvyfQLTFptLWGTvLWcpdBNrJtc dVqcaEUoiuEOuOioEaEuUwqpwfLPTbyLyhGJcVLfgnVViAUaEauIUeoaueaoRHnTZCl hvZDUOACPnkDgPBGxkPpZJyxMmzPQCNncvbnTZbljWjwBjTdqpVaeiDDTXfwSycQmSl rfpDiaOGxHNKmycrrvCHKJNWqLTvJzBLKtcWwkbmcmmkNCfBCPNiuoPDnhfpFgnqDVz qqnpEOAvCmpvxqBbpLlhVbWpLdKtnKmAoigqpJxphvbGQPVMfzTEIAZwxnwhkJbdkdj gfnnOAIOEIUAOEIAUEOHKycKHjsPHsbmJcBkkPcCNhHmKdxKHztueOMRCdTMHVmkcdx zhqpPdlJdGXZjZLpcHeoarDRN rVZgRHpqNgrauIZKphRRHbtsMWr GzsQHsrnRcfltgTdXSeOACfmBjTdqpVaeibJWqTRGxPvctcjRDXUailQXqpmrCnPXrd gHQnLhlYqcpnjjcMMcauekwcljKPyByUEOvfvgrSmbVLNKPWfjpUAeNpNfPfpwsGXnZ QmnpsVvggfcCFZxrYQOEICRFMMDdngXAiuXqpmrCnrdHQnLhlYqOAIcjRDXncylQXqp VnhkPOAUoaeuOAeUOauHKMLvgsWNtnvUeoDgfMkQFytYIueOAIueOAiueOAiPSfBwmD CRFMMDdngXtVXDnLvmwYFPJdnMcCvnJOEOzMLTqWgbPzRJHpqfsGzHzrzXhtGLfbPcC tJDHxPQCwxZHqjsPHsbrDPwbgYpSWzjaoiYMfrRJqxWDZLkPglmzGfPPCXlBYxFZRqJ pPgBlTpQlZkKQldNzcGlZtOAeuXHSLveOAFPJQXrnbgsvtypMXLLVtPhSwZWhZdTqZy nVbLsnbgdcPmjkkqBdCbsWHPAIAaaeaOEXYnFYHQzsTfwpKfpwbKxhprqPSfCzBgvlZ QmnpsVvggfcCFZxrYQSwpYBTFJKCXlLzbBJxsqZVydLDVZxpLGzvYhHpJHXVtWzNtZg qqnpndhvCmpvxqBbpLlhVbWpLdKtnKmZkGgqpJxphvbGQPVMfzTTCGZwxnwhkJbdkdj
hint 1 : https://tinyurl.com/3b6bh6us
hint 2 : if only there was an easier way to search through a range of characters...
Did you manage to get all three flags? Very well! Now use all of them to get the next resource.