A. The Bento Box Adventuretime limit per test1 secondmemory limit per test1024 megabytesinputstandard inputoutputstandard output Image generated by ChatGPT 4o. Boxed meals in Taiwan are very common, offering convenient and affordable nutrition-balanced choices for students and office workers. These meals typically include a variety of vegetables, protein, and rice, providing a well-rounded diet. With numerous options available at local self-service restaurants, they are a popular choice for those looking for a quick, healthy lunch.There are five Taiwanese self-service restaurants numbered from 1 to 5. You plan to visit a different restaurant each day from Monday to Friday to pack a boxed meal for lunch. You've already visited one restaurant from Monday to Thursday, each time visiting a different one. Now, it's Friday, and you want to visit the last remaining restaurant that you haven't been to yet this week.Write a program that takes as input the four restaurants you've already visited (one for each day from Monday to Thursday) and outputs the restaurant you should visit on Friday.InputA single line of input containing four integers $$$a, b, c, d$$$, each between 1 and 5 (inclusive), representing the restaurant numbers you visited from Monday to Thursday, in order. $$$1\le a, b, c, d\le 5$$$ All four numbers will be different. OutputOutput the restaurant number you should visit on Friday.ExamplesInput1 3 2 5Output4 Input2 5 4 3Output1