#include <stdio.h>

main() {

   int a = 21;
   int c ;

   c =  a;
   printf("Line 1 - =  Operator Example, Value of c = %d\n", c ); // 21

   c +=  a; //42
   printf("Line 2 - += Operator Example, Value of c = %d\n", c );

   c -=  a; // 0
   printf("Line 3 - -= Operator Example, Value of c = %d\n", c );

   c *=  a; // 441, 0
   printf("Line 4 - *= Operator Example, Value of c = %d\n", c );

   c /=  a; // 1,0
   printf("Line 5 - /= Operator Example, Value of c = %d\n", c );

   c  = 200;
   c %=  a; // 9,11
   printf("Line 6 - %= Operator Example, Value of c = %d\n", c );

   c <<=  2; //
   printf("Line 7 - <<= Operator Example, Value of c = %d\n", c );

   c >>=  2;
   printf("Line 8 - >>= Operator Example, Value of c = %d\n", c );

   c &=  2;
   printf("Line 9 - &= Operator Example, Value of c = %d\n", c );

   c ^=  2;
   printf("Line 10 - ^= Operator Example, Value of c = %d\n", c );

   c |=  2;
   printf("Line 11 - |= Operator Example, Value of c = %d\n", c );
}