printf("Welcome to Agg! This game tests your math skills against the clock.\n\nHow to Play:\n\n1. Set Your Playtime: First, you'll decide how long you want to play by entering a duration in seconds.\n2. Solve Math Problems: Once the game starts, you'll be presented with a series of random math problems: addition, division, subtraction, and multiplication. Your goal is to solve as many as you can before time runs out.\n3. Enter Your Answer: After each problem, type your answer and press Enter. The game will immediately tell you if you're correct or incorrect.\n4. Rack Up Points: For every correct answer, you'll earn a point. Your score will be tallied at the end.\n5. Time's Up! The game ends automatically when your chosen playtime runs out. Good luck, and have fun!\n");}