# include <stdio.h>
# define DEBUG
//
//  Program 18.1, Stephen Kochan, Programming in C.
//
int main ( void );
int process ( int i, int j, int k );

int main ( void )
{
  int i, j, k, nread;

  nread = scanf ( "%d %d %d", &i, &j, &k );

#ifdef DEBUG
  fprintf ( stderr, "Number of integers read = %i\n", nread );
  fprintf ( stderr, "i = %i, j = %i, k = %i\n", i, j, k );
#endif

  printf ( "%i\n", process ( i, j, k ) );

  return 0;
}


int process ( int i, int j, int k )
{
  int value;

  value = i + j + k;

  return value;
}