Case1. An integer in the range 1 to 7 is given. Output the name of the respective day of week: 1 — «Monday», 2 — «Tuesday», …, 7 — «Sunday».
Case2°. Given an integer K, output the respective examination mark: 1 — «bad», 2 — «unsatisfactory», 3 — «mediocre», 4 — «good», 5 — «excellent». If K is not in the range 1 to 5 then output string «error».
Case3. A number of month is given (as an integer in the range 1 to 12): 1 — January, 2 — February, etc. Output the name of the respective season: «Winter», «Spring», «Summer», «Autumn».
Case4°. A number of month is given (as an integer in the range 1 to 12): 1 — January, 2 — February, etc. Output the amount of days in the month for a non-leap year.
Case5. The arithmetic operations are numbered as: 1 — addition, 2 — subtraction, 3 — multiplication, 4 — division. The order number N of an operation and two real numbers A and B are given (N is an integer in the range 1 to 4, Â is not equal to 0). Perform the operation with the operands A and B and output the result.
Case6. The units of length are numbered as: 1 — decimeter, 2 — kilometer, 3 — meter, 4 — millimeter, 5 — centimeter. The order number N of a unit of length and also the length L of a segment are given (N is an integer in the range 1 to 5, L is a real number). Output the length of the segment in meters.
Case7. The units of weight are numbered as: 1 — kilogram, 2 — milligram, 3 — gram, 4 — ton, 5 — centner (= 100 kilograms). The order number N of a unit of weight and the mass M of a solid are given (N is an integer in the range 1 to 5, M is a real number). Output the mass of the solid in kilograms.
Case8. Given two integers D (day) and M (month) representing a correct date of a non-leap year, output values D and M for the previous date.
Case9°. Given two integers D (day) and M (month) representing a correct date of a non-leap year, output values D and M for the next date.
Case10°. A robot can move in four directions («N» — north, «W» — west, «S» — south, «E» — east) and perform three digital instructions: 0 — «move in the former direction», 1 — «turn left», –1 — «turn right». A symbol C (an initial direction of the robot) and an integer N (an instruction) are given. Output the direction of the robot (as symbol) after performing the instruction.
Case11. A locator can be focused on the directions «N» (north), «W» (west), «S» (south), «E» (east) and perform three digital instructions: 1 — «turn left», –1 — «turn right», 2 — «turn on 180°»). A symbol C (an initial direction of the locator) and two integers N1 and N2 (instructions) are given. Output the direction of the locator (as symbol) after performing the instructions.
Case12. Elements of a circle are numbered as: 1 — radius R, 2 — diameter D = 2·R, 3 — length L = 2·p·R of the circumference, 4 — area S = p·R2. The order number of one element and its value (as a real number) are given. Output values of other elements in the same order. Use 3.14 for a value of p.
Case13. Elements of a right isosceles triangle are numbered as: 1 — leg a, 2 — hypotenuse c = a·(2)1/2, 3 — altitude h drawn onto hypotenuse (h = c/2), 4 — area S = c·h/2. The order number of one element and its value (as a real number) are given. Output values of other elements in the same order.
Case14. Elements of an equilateral triangle are numbered as: 1 — side a, 2 — radius R1 of inscribed circle (R1 = a·(3)1/2/6), 3 — radius R2 of circumscribed circle (R2 = 2·R1), 4 — area S = a2·(3)1/2/4. The order number of one element and its value (as a real number) are given. Output values of other elements in the same order.
Case15. The suits of playing cards are numbered as: 1 — spades, 2 — clubs, 3 — diamonds, 4 — hearts. Card values «Jack», «Queen», «King», «Ace» are numbered as 11, 12, 13, 14 respectively. A card value N (as an integer in the range 6 to 14) and a suit M (as an integer in the range 1 to 4) are given. Output the card description as: «six of diamonds», «queen of spades», etc.
Case16. Given an age in years (as an integer in the range 20 to 69), output its alphabetic equivalent as: «twenty years», «thirty-two years», «forty-one years», etc.
Case17. Given an order number of some training task (as an integer in the range 10 to 40), output its alphabetic equivalent as: «the eighteenth task», «the twenty-third task», «the thirtieth task», etc.
Case18°. Given an integer in the range 100 to 999, output its alphabetic equivalent. For example, 100 — «one hundred», 256 — «two hundred and fifty-six», 814 — «eight hundred and fourteen», 901 — «nine hundred and one».
Case19. One of the Asian calendars uses 60-years periods divided into 12-years cycles, which are associated with a color: green, red, yellow, white, black. Each year in a cycle is connected with some animal: rat, cow, tiger, hare, dragon, snake, horse, sheep, monkey, hen, dog, pig. Given some year (as positive integer), output its name provided that 1984 is «The Green Rat`s year».
Case20. Given two integers D (day) and M (month) that represent a correct date, output the zodiacal name corresponding to this date: «Aquarius» 20.1–18.2, «Pisces» 19.2–20.3, «Aries» 21.3–19.4, «Taurus» 20.4–20.5, «Gemini» 21.5–21.6, «Cancer» 22.6–22.7, «Leo» 23.7–22.8, «Virgo» 23.8–22.9, «Libra» 23.9–22.10, «Scorpio» 23.10–22.11, «Sagittarius» 23.11–21.12, «Capricorn» 22.12–19.1.