URI 1007 Problem Solve

URI Online Judge | 1007

Difference

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

Answer

#include<stdio.h>

int main()

{

    int A,B,C,D,sum;

    scanf("%d %d %d %d",&A,&B,&C,&D);

    sum=(A*B-C*D);

    printf("DIFERENCA = %d\n",sum);

    return 0;

}