//Program: Pico_Exam_2568_1_01_Example.ino
//Date: 2025.10.02
int myData1[4] = {1,1,1,6};
int myData2[5] = {0,2,1,2,4};
int myData3[7] = {0,2,1,1,4,4,9};

void setup() {
  Serial1.begin(115200);
}

void loop() {
int x = myData1[1] + myData2[2] + myData3[3];
myData1[1] =  x;
Serial1.print("x = ");
Serial1.println(x);
delay(1000);
} //END program here! ###############