diff --git a/CM2005 Object Oriented Programming/Topic 1/1.1.5/main.cpp b/CM2005 Object Oriented Programming/Topic 1/1.1.5/main.cpp
new file mode 100644
index 0000000..e943738
--- /dev/null
+++ b/CM2005 Object Oriented Programming/Topic 1/1.1.5/main.cpp	
@@ -0,0 +1,11 @@
+#include <iostream>
+
+int main()
+{
+  std::cout << "Hello BSc CS" << std::endl;
+  return 0;
+}
+
+/*
+We use the command "g++ main.cpp" to build the executable
+*/
\ No newline at end of file
diff --git a/CM2005 Object Oriented Programming/Topic 1/1.1.5/main.s b/CM2005 Object Oriented Programming/Topic 1/1.1.5/main.s
new file mode 100644
index 0000000..cb265ba
--- /dev/null
+++ b/CM2005 Object Oriented Programming/Topic 1/1.1.5/main.s	
@@ -0,0 +1,117 @@
+	.file	"main.cpp"
+	.text
+	.section .rdata,"dr"
+_ZStL19piecewise_construct:
+	.space 1
+.lcomm _ZStL8__ioinit,1,1
+	.def	__main;	.scl	2;	.type	32;	.endef
+.LC0:
+	.ascii "Hello BSc CS\0"
+	.text
+	.globl	main
+	.def	main;	.scl	2;	.type	32;	.endef
+	.seh_proc	main
+main:
+.LFB1573:
+	pushq	%rbp
+	.seh_pushreg	%rbp
+	movq	%rsp, %rbp
+	.seh_setframe	%rbp, 0
+	subq	$32, %rsp
+	.seh_stackalloc	32
+	.seh_endprologue
+	call	__main
+	leaq	.LC0(%rip), %rdx
+	movq	.refptr._ZSt4cout(%rip), %rcx
+	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
+	movq	.refptr._ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(%rip), %rdx
+	movq	%rax, %rcx
+	call	_ZNSolsEPFRSoS_E
+	movl	$0, %eax
+	addq	$32, %rsp
+	popq	%rbp
+	ret
+	.seh_endproc
+	.def	__tcf_0;	.scl	3;	.type	32;	.endef
+	.seh_proc	__tcf_0
+__tcf_0:
+.LFB2063:
+	pushq	%rbp
+	.seh_pushreg	%rbp
+	movq	%rsp, %rbp
+	.seh_setframe	%rbp, 0
+	subq	$32, %rsp
+	.seh_stackalloc	32
+	.seh_endprologue
+	leaq	_ZStL8__ioinit(%rip), %rcx
+	call	_ZNSt8ios_base4InitD1Ev
+	nop
+	addq	$32, %rsp
+	popq	%rbp
+	ret
+	.seh_endproc
+	.def	_Z41__static_initialization_and_destruction_0ii;	.scl	3;	.type	32;	.endef
+	.seh_proc	_Z41__static_initialization_and_destruction_0ii
+_Z41__static_initialization_and_destruction_0ii:
+.LFB2062:
+	pushq	%rbp
+	.seh_pushreg	%rbp
+	movq	%rsp, %rbp
+	.seh_setframe	%rbp, 0
+	subq	$32, %rsp
+	.seh_stackalloc	32
+	.seh_endprologue
+	movl	%ecx, 16(%rbp)
+	movl	%edx, 24(%rbp)
+	cmpl	$1, 16(%rbp)
+	jne	.L6
+	cmpl	$65535, 24(%rbp)
+	jne	.L6
+	leaq	_ZStL8__ioinit(%rip), %rcx
+	call	_ZNSt8ios_base4InitC1Ev
+	leaq	__tcf_0(%rip), %rcx
+	call	atexit
+.L6:
+	nop
+	addq	$32, %rsp
+	popq	%rbp
+	ret
+	.seh_endproc
+	.def	_GLOBAL__sub_I_main;	.scl	3;	.type	32;	.endef
+	.seh_proc	_GLOBAL__sub_I_main
+_GLOBAL__sub_I_main:
+.LFB2064:
+	pushq	%rbp
+	.seh_pushreg	%rbp
+	movq	%rsp, %rbp
+	.seh_setframe	%rbp, 0
+	subq	$32, %rsp
+	.seh_stackalloc	32
+	.seh_endprologue
+	movl	$65535, %edx
+	movl	$1, %ecx
+	call	_Z41__static_initialization_and_destruction_0ii
+	nop
+	addq	$32, %rsp
+	popq	%rbp
+	ret
+	.seh_endproc
+	.section	.ctors,"w"
+	.align 8
+	.quad	_GLOBAL__sub_I_main
+	.ident	"GCC: (x86_64-posix-seh-rev0, Built by MinGW-W64 project) 8.1.0"
+	.def	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc;	.scl	2;	.type	32;	.endef
+	.def	_ZNSolsEPFRSoS_E;	.scl	2;	.type	32;	.endef
+	.def	_ZNSt8ios_base4InitD1Ev;	.scl	2;	.type	32;	.endef
+	.def	_ZNSt8ios_base4InitC1Ev;	.scl	2;	.type	32;	.endef
+	.def	atexit;	.scl	2;	.type	32;	.endef
+	.section	.rdata$.refptr._ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_, "dr"
+	.globl	.refptr._ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
+	.linkonce	discard
+.refptr._ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_:
+	.quad	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
+	.section	.rdata$.refptr._ZSt4cout, "dr"
+	.globl	.refptr._ZSt4cout
+	.linkonce	discard
+.refptr._ZSt4cout:
+	.quad	_ZSt4cout