int x;
int z;
int y;
char temp;

void setup() {
  Serial.begin(9600);
  delay(2000);
  Serial.println("X % Y = Z");
  x=0;
  z=0;
  y=10;
 
}

void loop() {
    z=x%y;
    Serial.print(" MOD : ");
    Serial.print(x);
    Serial.print(" % ");
    Serial.print(y);
    Serial.print(" = ");
    Serial.println(z);
    x++;
    z=0;
    delay(300);
}