expression ADDING expression
		{
			if ($1.type == Language::Type::INT && $3.type == Language::Type::INT)
			{
				$$.value.int_val = $1.value.int_val + $3.value.int_val;
			}
			else if ($1.type == Language::Type::STR && $3.type == Language::Type::STR)
			{
				//Unite both strings "hey" + "mate" = "heymate"
				$$.type == $1.type;
				$$.value.str_val = (char*)calloc(strlen($1.value.str_val) + strlen($3.value.str_val) + 1, sizeof(char));
				strncpy($$.value.str_val, $1.value.str_val, strlen($1.value.str_val));
				strncpy($$.value.str_val + strlen($1.value.str_val), $3.value.str_val, strlen($3.value.str_val));
				$$.value.str_val[strlen($1.value.str_val) + strlen($3.value.str_val)] = '\0';
			}
			else
			{
				yyfmterror("Can't add with this type");
			}
		}