#include <stdio.h>
   int main()
      {
       int a = 3;
       int b = 7;
       int c = 0;

       printf("a=%d | b=%d |c=%d\n", a, b, c );
       c = a+b;
       printf("a=%d | b=%d |c=%d\n", a, b, c );
       // c est maintenant egal a 10 ( 3+7 )
       a = a+c;
       printf("a=%d | b=%d |c=%d\n", a, b, c );
       // a est maintenant egal a 13 ( 10+3 )
       b= 3+50;
       printf("a=%d | b=%d |c=%d\n", a, b, c );
       // b est maintenant egal a 53 ( 3+50 )
       return(1);
      }