error2

ayush@ayush:~/Desktop/xapian-patch/xapian/xapian-letor/bin$ sudo gdb --args xapian-prepare-trainingfile.o --db=/home/ayush/Documents/data/db /home/ayush/Documents/data/query.txt /home/ayush/Documents/data/qrel.txt /home/ayush/Documents/data/sample3.txt
[sudo] password for ayush:
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.04) 7.11.1
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Reading symbols from xapian-prepare-trainingfile.o...done.
(gdb) run
Starting program: /home/ayush/Desktop/xapian-patch/xapian/xapian-letor/bin/xapian-prepare-trainingfile.o --db=/home/ayush/Documents/data/db /home/ayush/Documents/data/query.txt /home/ayush/Documents/data/qrel.txt /home/ayush/Documents/data/sample3.txt
/bin/bash: /home/ayush/Desktop/xapian-patch/xapian/xapian-letor/bin/xapian-prepare-trainingfile.o: Permission denied
/bin/bash: line 0: exec: /home/ayush/Desktop/xapian-patch/xapian/xapian-letor/bin/xapian-prepare-trainingfile.o: cannot execute: Permission denied
During startup program exited with code 126.