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

void setup() {
    Serial.begin(19200);
    delay(4900);
    Serial.println("|MOD : %  |");
    Serial.println("|x % y = z|");
    Serial.println("-----------");
    x=0;
    z=0;
    y=5; 
}

void loop() {
    while(x<11){
        z=x%y;
        Serial.print(" ");
        Serial.print(x);
        Serial.print(" % ");
        Serial.print(y);
        Serial.print(" = ");
        Serial.println(z);
        x++;
        z=0;
        //delay(10);
    }
    Serial.println("-----------");
    delay(100);
    setup();
}