const int kid [7] = {12,13,14,15,16,17,18};
 const int pepe=22;
 const byte numeros[10] = 
 {0b0111111, 
  0b0000110,
  0b1011011,
  0b1001111,
  0b1100110,
  0b1101101,
  0b1111101,
  0b1000111,
  0b1111111,
  0b1101111
 };
 int numero = 0;

void setup()
{
  for( int i =0; i < 7; i++){
 pinMode(kid [i], OUTPUT);
 }
pinMode(pepe, INPUT_PULLUP);



}

void loop()
{
if(digitalRead(pepe) == LOW){
numero++;

if(numero>9){
  numero = 0;}

}
delay(200);

for( int i =0; i < 7; i++){
digitalWrite(kid[i],~(numeros[numero] >> i ) & 1 );

}
}