#include <stdio.h>

int AddMult(int, int, int, int) ;
int MultAdd(int, int, int, int) ;

int main(int argc, char *arvg[], char *envp[]) {
  int A, B, C, D, X, Y ;

  fputs("Enter four numbers> ", stdout) ;
  fscanf(stdin, "%d %d %d %d", &A, &B, &C, &D) ;

  fprintf(stdout, "A = %8d\n", A) ;
  fprintf(stdout, "B = %8d\n", B) ;
  fprintf(stdout, "C = %8d\n", C) ;
  fprintf(stdout, "D = %8d\n", D) ;

  X = AddMult(A, B, C, D) ;
  Y = MultAdd(A, B, C, D) ;

  fprintf(stdout, "(A+B)*(C+D) = %8d\n", X) ;
  fprintf(stdout, "(A*B)+(C*D) = %8d\n", Y) ;
}