import fileinput

class CPU:

    def __init__(self):
        self.reg_x = 1
        self.cycle = 0

    def draw(self):
        pos = self.cycle - 1
        if pos % 40 == 0 and pos != 0:
            print('')
        print("#" if abs((pos % 40) - self.reg_x) <= 1 else ".", end='')
        if self.cycle == 240:
            print("")
    
    def exec(self, instructions, breaks=[]):
        for instruction in instructions:
            # print(f"Start cycle {self.cycle:3d}: begin executing {instruction}")
            if instruction == "noop":
                self.cycle += 1
                if self.cycle in breaks:
                    yield self.cycle*self.reg_x
                self.draw()
            elif instruction.startswith("addx"):
                self.cycle += 1
                if self.cycle in breaks:
                    yield self.cycle*self.reg_x
                self.draw()
                self.cycle += 1
                if self.cycle in breaks:
                    yield self.cycle*self.reg_x
                self.draw()
                self.reg_x += int(instruction.split(' ')[1])
            else:
                print("Unknown instruction")

if __name__ == "__main__":
    cpu = CPU()
    print(f"Solution A: {sum(cpu.exec(filter(lambda x: x != '', map(lambda x: x.strip(), fileinput.input())), [20, 60, 100, 140, 180, 220]))}")