#include <stdio.h>

int soma (int a, int b) {
  return (a + b);
}

int main () {
  int c, d;

  printf ("Digite o valor de c: ");
  scanf ("%d", &c);

  printf ("Digite o valor de d: ");
  scanf ("%d", &d);

  printf ("Soma de c e d: %d\n", soma(c, d));
  printf ("Soma de 5 e 10: %d\n", soma(5, 10));

  return 0;
}