#include <stdio.h> int main() {   int a;   a = 42;   printf("%d\n", a);    int b = 64;   printf("%d\n", b);    int c = 12, d = 34;   printf("%d, %d\n", c, d);    return 0;} // vim: set expandtab ts=4 sw=3 sts=3 tw=80 :