#include <stdio.h>             
                              
int main(void)               
{     float f;              
      int a,i;             
      a = 0;              
      a = a + 1;         
      printf ("A= %d\n", a);     
      a += 2;                   
      a--;                     
      a++;                    
      printf ("B= %d\n", a); 
      i=2;                  
      f=5.0;               
      printf ("F= %f\n", f/i);    
      a=5;                       
      printf ("C= %d\n", a/i);  
                               
      return 0;               
}