Read four integer values named A, B, C and D. Calculate and print the difference of product A and B by the product of C and D (A * B – C * D).
Input
The input file contains 4 integer values.
Output
Print DIFERENCA (DIFFERENCE in Portuguese) with all the capital letters, according to the following example, with a blank space before and after the equal signal.
| Input Samples | Output Samples |
| 5 6 7 8 |
DIFERENCA = -26 |
| 0 0 7 8 |
DIFERENCA = -56 |
| 5 6 -7 8 |
DIFERENCA = 86 |
#include
int main() {
int A , B , C , D, difference;
scanf(“%d %d %d %d”, &A , &B ,&C, &D);
difference=((A * B) – (C * D));
printf(“DIFERENCA = %d\n”, difference);
return 0;
}