int buttonPin0 = A5;
int buttonPin1 = A4;
bool buttonState ;
int MA1 = 5;
int MA2 = 4;
int MA3 = 3;
int MA4 = 2;
int MB1 = 8;
int MB2 = 9;
int MB3 = 10;
int MB4 = 11;
int soma = 0;


void setup () {
  pinMode(buttonPin0,INPUT_PULLUP);
  pinMode(buttonPin1,INPUT_PULLUP);
  pinMode(MA1,OUTPUT);
  pinMode(MA2,OUTPUT);
  pinMode(MA3,OUTPUT);
  pinMode(MA4,OUTPUT);
  pinMode(MB1,OUTPUT);
  pinMode(MB2,OUTPUT);
  pinMode(MB3,OUTPUT);
  pinMode(MB4,OUTPUT);

  Serial.begin(9600);
}

void loop () {
  buttonState = digitalRead(buttonPin0);
  
   if (buttonState==LOW) {
    // soma +=1;
     
     //if (soma >=5) {
       //soma = 1;
      //  }  
  //Serial.println(soma);
  //delay (200);
   //}

   
       
     
      
    //if (digitalRead (buttonPin1));
    for (int x = 0; x <=50; x++) {
       if (digitalRead(buttonPin1) == 0){
       break;
    }
        for ( int i =1; i <=4; i++) {
          if (digitalRead(buttonPin1) == 0){
          break;
          }
          soma=i;

      
       if (soma == 1){
       digitalWrite(MA1,HIGH);
       digitalWrite(MA2,LOW);
       digitalWrite(MA3,LOW);
       digitalWrite(MA4,LOW);
 
       }
         
          if (soma == 2){
       digitalWrite(MA1,LOW);
       digitalWrite(MA2,HIGH);
       digitalWrite(MA3,LOW);
       digitalWrite(MA4,LOW);
 
       }
       
        if (soma == 3){
       digitalWrite(MA1,LOW);
       digitalWrite(MA2,LOW);
       digitalWrite(MA3,HIGH);
       digitalWrite(MA4,LOW);
 
       }
       
        if (soma == 4){
       digitalWrite(MA1,LOW);
       digitalWrite(MA2,LOW);
       digitalWrite(MA3,LOW);
       digitalWrite(MA4,HIGH);
 
       }
        }
         delay(50);
        }
     
       
      
        //delay(100);

        //if (digitalRead (buttonPin1)); 
         //{
        for (int x = 0; x <=50; x++) {
          if (digitalRead (buttonPin1 ) == 0) {   
          break;
          }
        for ( int i =1; i <=4; i++) {
          if (digitalRead (buttonPin1) == 0){ 
          break;
          }
          soma=i;
          
       if (soma == 1){
       digitalWrite(MB4,HIGH);
       digitalWrite(MB3,LOW);
       digitalWrite(MB2,LOW);
       digitalWrite(MB1,LOW);
 
       }
         
          if (soma == 2){
       digitalWrite(MB4,LOW);
       digitalWrite(MB3,HIGH);
       digitalWrite(MB2,LOW);
       digitalWrite(MB1,LOW);
 
       }
       
        if (soma == 3){
       digitalWrite(MB4,LOW);
       digitalWrite(MB3,LOW);
       digitalWrite(MB2,HIGH);
       digitalWrite(MB1,LOW);
 
       }
       
        if (soma == 4){
       digitalWrite(MB4,LOW);
       digitalWrite(MB3,LOW);
       digitalWrite(MB2,LOW);
       digitalWrite(MB1,HIGH);
 
       }

        
         delay(0);

      }
        }
}

}