%{
#include <iostream>
#include <cstdlib>
#include <string>
#include <map>

#define YYDEBUG 1
  using namespace std;
 
  extern int yylex();
  
  void yyerror(string s) {
    cerr << s << endl;
    exit(EXIT_FAILURE);
  }

  map<string, int> tablica;
 
%}

%union {
  int i;
  string *s;
}

%token pocetak_token kraj_token ispisi_token mod_token
%token <i> broj_token
%token <s> string_token id_token

%left '+'
%left '*' mod_token

%type <i> E


%%
Program: Blok '.'
;
Blok: pocetak_token NizNaredbi kraj_token
;
NizNaredbi: NizNaredbi  ';' Naredba
| Naredba
;
Naredba: ispisi_token '(' string_token ')' {
  cout << *$3 << endl;
  delete $3;
 }
| ispisi_token '(' E ')' {
  cout << $3 << endl;
 }
| id_token ':' '=' E {
  tablica[*$1] = $4;
  delete $1;
  }
;
E: E '+' E {
  $$ = $1 + $3;
 }
| E '*' E {
  $$ = $1 * $3;
 }
| E mod_token E {
  $$ = $1 % $3;
 }
| '(' E ')' {
  $$ = $2;
  }
| broj_token {
  $$ = $1;
 }
| id_token {
  $$ = tablica[*$1];
  }
;
%%
int main() {
  //yydebug = 1;
  yyparse();
  return 0;
}