diff --git a/main/main.cpp b/main/main.cpp
index cfefe7f..8de1419 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -211,21 +211,73 @@ static bool test_neuhauser_kirchdorf(int step, double cost) {
     return 0;
 */
 
+#include <QProcess>
+#include <QCoreApplication>
+QString getCalculatorLibVersion() {
+    static QString v;
+    if (v.isEmpty()) {
+        QProcess shell;
+        QString command = QString("cat /proc/%1/maps | awk '{print $6;}' | grep 'libmobilisis_calc' | uniq").arg(QCoreApplication::applicationPid());
+
+        shell.start("/bin/bash", {"-c", command});
+        if ( shell.waitForFinished( 5000 )) {
+            v = shell.readAllStandardOutput();
+            // /usr/lib/libmobilisis_calc.so.2.3.99-18
+            if (!v.isEmpty()) {
+                QStringList vlst = v.trimmed().split("/", QString::SkipEmptyParts);
+                if (vlst.size() > 0) {
+                    vlst = vlst.last().split(".", QString::SkipEmptyParts);
+                    if (vlst.size() > 4) {
+                        v = QString("%1.%2.%3").arg(vlst[2]).arg(vlst[3]).arg(vlst[4]);
+                    }
+                }
+            }
+        }
+    }
+    return v;
+}
+
+bool isProductSupportedInCalculatorLib(QString const &product) {
+    bool supported{false};
+
+    QProcess shell;
+    QString command = QString("cat /proc/%1/maps | awk '{print $6;}' | grep 'libmobilisis_calc' | uniq | xargs strings | grep %2").arg(QCoreApplication::applicationPid()).arg(product);
+
+    shell.start("/bin/bash", {"-c", command});
+    if ( shell.waitForFinished( 5000 )) {
+        QString s = shell.readAllStandardOutput().trimmed();
+        // /usr/lib/libmobilisis_calc.so.2.3.99-18
+        if (!s.isEmpty() && (s == product)) {
+            qCritical() << "product" << s << "supported";
+            supported = true;
+        } else {
+            qCritical() << "product" << product << "not supported";
+        }
+    }
+
+    return supported;
+}
 
 int main() {
 
-
+    qCritical() << getCalculatorLibVersion();
+    isProductSupportedInCalculatorLib("FREE_TICKET");
+    return 0;
     //487     {
     //  488         "pra_payment_option_id": 1049,
     //  489         "pra_payment_unit_id": 84,
     //  490         "pra_price":"840"
     //>>491     }
 
-    //for (int i = 1; i < 85; ++i) {
-    //printf("{\n    \"\pra_payment_option_id\": 1049,\n    \"\pra_payment_unit_id\": %d,\n    \"pra_price\": %d\n},\n",
-    //       i, i*10);
+    //for (int i = 1; i < 346; ++i) {
+    //printf("{\n    \"pun_id\": %i,\n    \"pun_duration\": %d\n},\n",
+    //       i, 60 + i*4);
     //}
-    //return 0;
+    for (int i = 1; i < 361; ++i) {
+    printf("{\n    \"pra_payment_option_id\": 1049,\n    \"pra_payment_unit_id\": %i,\n    \"pra_price\":%i\n},\n",
+           i, i*10);
+    }
+    return 0;
 #if 0
     MessageHelper msgHelp;
     // msgHelp.createLoginMessageChunksToSend(0x02);
diff --git a/main/main.pro b/main/main.pro
index 912d6ec..84bbd5f 100644
--- a/main/main.pro
+++ b/main/main.pro
@@ -1,3 +1,5 @@
+QT += core
+
 TEMPLATE = app
 TARGET = main