#include <stdio.h>
int
main (void)
{
int a, b, c, d, e;
a = 10;
a = 20;
a = 10 + a;
a = a + a + 2;
a = 2 + a;
b = a;
c = b = 5;
c = 10 + a;
d = a + a + 2;
e = 20 + a;
a = a - b + c;
printf ("a:%4d\n b:%4d\n c:%4d\n d:%4d\n e:%4d\n", a, b, c, d, e);
return (0);
}