tinatina00,1,2,351505itina50i180{}aW1wb3J0IHR1cnRsZQoKCnRpbmEgPSB0dXJ0bGUuVHVydGxlKCkKdGluYS5zcGVlZCgwKQpmb3IgaSBpbiByYW5nZSg1LCAxNTAsIDUpOgogICAgdGluYS5jaXJjbGUgKGksMTgwKQo=