Seven Segment With Decimal

const int SER = 8; // Serial Output to Shift Register
const int LATCH = 9; // Shift Register Latch Pin
const int CLK = 10; // Shift Register Clock Pin

int x;

int y;

int dly = 500;

int seq[]={130,217,211,178,115,123,194,507,242};
void setup() {
  // put your setup code here, to run once:


pinMode(SER, OUTPUT);
pinMode(LATCH, OUTPUT);
pinMode(CLK, OUTPUT);
digitalWrite(LATCH, LOW);
digitalWrite(LATCH,HIGH);
}

void dec()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 4);
digitalWrite(LATCH,HIGH);
}
void one()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 130);
digitalWrite(LATCH,HIGH);
}
void two()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 217);
digitalWrite(LATCH,HIGH);
}
void three()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 211);
digitalWrite(LATCH,HIGH);
}
void four()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 178);
digitalWrite(LATCH,HIGH);
}
void five()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 115);
digitalWrite(LATCH,HIGH);
}
void six()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 123);
digitalWrite(LATCH,HIGH);
}
void seven()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 194);
digitalWrite(LATCH,HIGH);
}
void eight()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 507);
digitalWrite(LATCH,HIGH);
}
void nine()
{
digitalWrite(LATCH, LOW);
shiftOut(SER, CLK, MSBFIRST, 242);
digitalWrite(LATCH,HIGH);
}
void loop() {
  // put your main code here, to run repeatedly:

x = random(1,10);

for (y = 1; y <= 9; y++)
{


//seq[x];
//delay(100);

switch (y)
{
  case 1:
  one();
  delay(dly);
  break;

  case 2:
  two();
  delay(dly);
  break;

  case 3:
  three();
  delay(dly);
  break;

  case 4:
  four();
  delay(dly);
  break;

  case 5:
  five();
  delay(dly);
  break;

  case 6:
  six();
  delay(dly);
  break;

  case 7:
  seven();
  delay(dly);
  break;

  case 8:
  eight();
  delay(dly);
  break;

  case 9:
  nine();
  delay(dly);
  break;

}
//
//  case dec:
//  dec();
//  delay(dly);
//  break;
}
}