#include <stdio.h>

int main(int t, int _, char *a) {
  if (t == 1) { // entry point
    main(2, 2, "");
    return 0;
  }

  if (t > 1) {
    if (t == 2) {
      main(-73, 0, "");     // "On the "
      main(-73, 1 - _, ""); // which day?
      main(-73, -13, "");   // "of Christmas my true love gave to me\n"
    }

    if (t < _) {         // increments t until t == _ ?
      main(t + 1, _, a); // rest of the verse
    }

    main(-73, t - 27, ""); // effectively calls main(t - 27, -73, <big block>)
    // "a partridge in a pear tree."

    if (t == 2 && _ < 13) {
      main(2, _ + 1, ""); // adds 1 to _
    }

    return 0;
  }

  if (t == -73) {
    main(_, t,
        "@n'+,#'/*{}w+/w#cdnr/+,{}r/*de}+,/*{*+,/w{%+,/w#q#n+,/#{l+,/n{n+,/+#n"
        "+,/#;#q#n+,/+k#;*+,/'r :'d*'3,}{w+K w'K:'+}e#';dq#'l q#'+d'K#!/+k#;q#"
        "'r}eKK#}w'r}eKK{nl]'/#;#q#n'){)#}w'){){nl]'/+#n';d}rw' i;# ){nl]!/n{n"
        "#'; r{#w'r nc{nl]'/#{l,+'K {rw' iK{;[{nl]'/w#q#n'wk nw' iwk{KK{nl]!/w"
        "{%'l##w#' i; :{nl]'/*{q#'ld;r'}{nlwb!/*de}'c ;;{nl'-{}rw]'/+,}##'*}#n"
        "c,',#nw]'/+kd'+e}+;#'rdq#w! nr'/ ') }+}{rl#'{n' ')# }'+}##(!!/");
    return 0;
  }

  if (t == -51) {
    if (_ == *a) {
      putchar(a[31]);
      return 0;
    }

    main(-51, _, a + 1); // try again with the next character in a
    return 0;
  }

  if (t < 0) {
    main((*a == '/') + t, _, a + 1);
    return 0;
  }

  if (*a == '/') {
    return 0;
  }

  // t is 0
  // check shortstring[31] until current a[0] matches
  main(-51, *a,
      "!ek;dc i@bK'(q)-[w]*%n+r3#l,{}:\nuwloca-O;m .vpbks,fxntdCeghiry");
  main(0, 0, a + 1);
}