1010-Simple Calculate-URI Online Judge

#include<stdio.h>
int main()
{
    int a1,b1,a2,b2;
    float c1,c2,sum;
    scanf("%d %d %f",&a1, &b1, &c1);
    scanf("%d %d %f",&a2, &b2, &c2);
    sum=(b1*c1)+(b2*c2);
    printf("VALOR A PAGAR: R$ %.02f\n",sum);
    return 0;

}