#include <stdio.h>
   int main()
      {
       int a = 30;
       int b = 7;
       int c = 73;

       printf("a=%d | b=%d |c=%d\n", a, b, c );

       b = a%b;
       printf("a=%d | b=%d |c=%d\n", a, b, c );
       // b est maintenant egal a 2 ( 30/7=4 RESTE=2 )
       c = c%7;
       printf("a=%d | b=%d |c=%d\n", a, b, c );
       // c est maintenant egal a 3 ( 73/7 = 10 RESTE 3 )
       a= 299%29;
       printf("a=%d | b=%d |c=%d\n", a, b, c );
       // a est maintenant egal a 9 ( 299/29 = 10 RESTE 9 )
       return(1);
      }