diff --git a/Lectures_my/MC_2016/exam/Makefile b/Lectures_my/MC_2016/exam/Makefile
new file mode 100644
index 0000000..ed1918b
--- /dev/null
+++ b/Lectures_my/MC_2016/exam/Makefile
@@ -0,0 +1,76 @@
+#----------------------------------------------------------------------
+# Przyklad linkowania bibliotek systemu ROOT z wlasnym programem
+#----------------------------------------------------------------------
+.SUFFIXES:  .o .c .cxx .cpp .C .f .l  .s  .sh  .h  .a .cc
+#======================================================================
+# Biblioteki ROOTa dla linkera 
+# 1) Jawnie:
+##  Sciezka to systemu ROOT - nalezy ja ustawic odpowiednio 
+#RPATH = /home/mchrzasz/ROOT/root/
+RPATH = /cvmfs/lhcb.cern.ch/lib/lcg/releases/ROOT/6.04.02-a6f71/x86_64-slc6-gcc48-opt/
+#-lCint
+RLIB=   -L$(RPATH)lib -lCore -lHist -lGraf -lGraf3d -lGpad -lTree  -lRint -lPostscript -lMatrix -lPhysics -lm -ldl -lpthread -rdynamic -Wl,--no-as-needed $(ROOTGLIBS)
+#2) Niejawnie, przy uzyciu root-config
+#RLIB= `root-config --libs`
+#======================================================================
+# Nazwa biezacego katalogu
+DIRNAME = ./
+#======================================================================
+# Nazwa rdzeniowa modulu programu
+#NAME1 = anal_toy
+#NAME2 = Moments_gen_raw
+NAME1 = judment_day
+#NAME0 = Err_prop
+# Pliki objectowe (po kompilacji)
+#OBJT0 = $(NAME0).o
+OBJT1 = $(NAME1).o
+#OBJT2 = $(NAME2).o
+# Pliki wykonawcze (po linkowaniu)
+#EXEC0 = $(NAME0).x	
+EXEC1 = $(NAME1).x
+# Nazwa i opcje kompilatora
+CXX = g++
+# 1) Jawnie
+#CXXFLAGS = -O -Wall -pthread -I$(RPATH)include
+# 2) Przy uzyciu root-config
+CXXFLAGS = -O2 -Wall  `root-config --cflags`
+# Nazwa i opcje linkera
+LD = $(CXX)
+LDFLAGS = `root-config --ldflags`
+
+
+CXXFLAGS += $(shell $(ROOTSYS)/bin/root-config --cflags)
+#EXTRALIBS += $(shell $(ROOTSYS)/bin/root-config --libs)
+LDFLAGS += $(shell $(ROOTSYS)/bin/root-config --libs) 
+RLIB += $(shell $(ROOTSYS)/bin/root-config --libs)
+
+#==============================================================================
+# Kompilacja dla modulow z plikami naglowkowymi
+%.o: %.cxx %.h
+	$(CXX) $(CXXFLAGS) -c $<
+# Kompilacja dla modulow bez plikow naglowkowych
+%.o: %.cxx
+	$(CXX) $(CXXFLAGS) -c $<
+#==============================================================================
+.PHONY: all run clean tar
+all: ${EXEC1}
+#==============================================================================
+# Linkowanie
+${EXEC1}: ${OBJT1} 
+	$(LD) -o $@ $(LDFLAGS) $^ $(RLIB)
+
+#==============================================================================
+# Uruchamianie
+run: ${EXEC1}
+	./${EXEC1}
+#==============================================================================
+clean:
+	(rm -f *.o *.a *~ *.exe *.x core lmap *.dvi *.aux *.log a.out)
+#==============================================================================
+tar: clean
+	(cd ../; tar -cvzf $(DIRNAME).tar.gz $(DIRNAME) )
+#==============================================================================
+# Wszelkie akcje jakie należy podjąć aby program zaprezentował swoje działanie:
+test: run
+	@echo 'Test run finished'
+#==============================================================================
diff --git a/Lectures_my/MC_2016/exam/judment_day.cc b/Lectures_my/MC_2016/exam/judment_day.cc
new file mode 100644
index 0000000..b9fac2d
--- /dev/null
+++ b/Lectures_my/MC_2016/exam/judment_day.cc
@@ -0,0 +1,115 @@
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <math.h>
+#include <Rtypes.h>
+#include <TSystem.h>
+#include <TROOT.h>
+#include <TStyle.h>
+#include <TCanvas.h>
+#include <TChain.h>
+#include <TTree.h>
+#include <TF1.h>
+#include <TCut.h>
+#include <TString.h>
+#include <TMath.h>
+#include <TH1F.h>
+#include <TH2F.h>
+#include <TGraphErrors.h>
+#include "math.h"
+#include "TFile.h"
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <unistd.h>
+#include "TRandom3.h"
+#include "TChain.h"
+#include "TRandom.h"
+#include <sstream>
+#include <iostream>
+#include <map>
+
+/////////////////////////////////////////////////////////////////
+// SCRIPT FOR MIXING AND SHUFLING EVENTS IN TAU23MU         /////
+/////////////////////////////////////////////////////////////////
+
+
+using namespace std;
+
+int main(int argc, char **argv)
+{
+  if(argc !=2) 
+    {
+      cout<<"Usage: ./judment_day <SEED>"<<endl;
+      return -1;
+    }
+  
+  float typef=atof(argv[1]);
+  int type= (int)typef;
+  
+  std::map<int,string> mymap;
+  mymap[0]="Euler number determination, Variance of MC estimator, Convergance of MC estimator";
+  mymap[1]="Law of Large numbers, Central Limit theorem, Gauss pdf generator using Central Limit Theorem";
+  mymap[2]="Uncertenty of MC methods, Buffon needle, Heads or tails MC vs Crude MC";
+  mymap[3]="Varaince reduction methods";
+  mymap[4]="Adaptive MC integration methods: RIWIAD altoright, DIVIONNE2";
+  mymap[5]="Method of Moments";
+  mymap[6]="Random numbers and pseudorandom numbers, sources of numbers";
+  mymap[7]="Linear number generators, Marsaglia genetarors, Shift register generator, Fibonacci generator";
+  mymap[8]="Arbitrary pdf generation: reverting the cdf, Elimination method, superposition of distributions";
+  mymap[9]="Generation of exp, gauss, Breit-Wigner pdf";
+  mymap[10]="Generation of x^n, Bernaulli, Poisson, Generation on/in multi-dim symplex";
+  mymap[11]="Markov Chain MC, MC estimator of S=A+B, solfing a linear system: X=p Y + (1-p) A; Y = q X + (1-q) B";
+  mymap[12]="Neumann expansion of linear system, Neuman-Ulam method and it's dual version";
+  mymap[13]="Matrix inversion, Solvinf Laplace diferential euqation with MCMC (Dirichlet boundary condition)";
+  mymap[14]="Parabolic equation and MCMC solution";
+  mymap[15]="Dirichlet conditions as linear system";
+  mymap[16]="Random walk with different step size, Muller method, Laplace eq. with Neumann boundary conditions";
+  mymap[17]="Eigenvalue problem, functioninterpolation";
+  mymap[18]="Optimisation with hit and miss method, sequence optimisation";
+
+
+  
+  TRandom3 *rand = new TRandom3(type);
+  cout<<"Your lucky questions are: "<<endl;
+  vector<int> numbers(0);
+  int counter=0;
+
+  while(counter <4)
+    {
+      bool ok=true;
+      int num=(int)(rand->Rndm()*123)%19;	
+
+      for(int j=0;j<numbers.size();++j)
+	{
+	  if(numbers[j] == num)
+	    {
+	      ok=false;
+	      break;
+	    }
+
+	}
+      if(ok)
+	{
+	  numbers.push_back(num);
+	  counter++;
+	}
+
+
+    }
+  for(int i=0;i<numbers.size();++i)
+    {
+      cout<<i+1<<") "<<mymap[numbers[i]]<<endl;
+
+    }
+   
+
+
+
+
+
+
+  
+
+  return 1;
+}