售货

#include<iostream>
#include<cstdio>
using namespace std;
int main(){
    int a,b,c,d;
    double a1,a2;
    double s=0;
    scanf("%d %d %lf",&a,&b,&a1);
    scanf("%d %d %lf",&c,&d,&a2);
    s=a1*b+a2*d;
    printf("VALOR A PAGAR: R$ %.2lf",s);
    return 0;
}