text: #include<stdio.h>
  
  int main(){
  	
  	int cod, qtd;
  	float tot;
  	
  	scanf("%d %d", &cod, &qtd);
  	
  	switch(cod){
  		case 1:
  			tot = qtd * 4.00;
  		break;
  		
  		case 2:
  			tot = qtd * 4.50;
  		break;
  		
  		case 3:
  			tot = qtd * 5.00;
  		break;
  		
  		case 4:
  			tot = qtd * 2.00;
  		break;
  		
  		case 5:
  			tot = qtd * 1.50;
  		break;
  
  	}
  	
  	printf("Total: R$ %.2f\n", tot);
  	
  	return 0;
  }
  