diff --git a/cs677/pa2/Makefile b/cs677/pa2/Makefile
new file mode 100644
index 0000000..7b54ec0
--- /dev/null
+++ b/cs677/pa2/Makefile
@@ -0,0 +1,8 @@
+
+all: sequential
+
+%: %.cc
+	$(CXX) -o $@ -pthread -O3 $<
+
+clean:
+	-rm -f sequential *~ *.o
diff --git a/cs677/pa2/sequential.cc b/cs677/pa2/sequential.cc
new file mode 100644
index 0000000..e8475a3
--- /dev/null
+++ b/cs677/pa2/sequential.cc
@@ -0,0 +1,47 @@
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+using namespace std;
+
+void usage(char * prog);
+void similarityMatrix(vector<char> & s, vector<char> & t);
+bool readFile(char * fileName, vector<char> & v);
+
+void usage(char * prog)
+{
+    cout << "Usage: " << prog << " <file1> <file2>" << endl;
+    exit(42);
+}
+
+int main(int argc, char * argv[])
+{
+    vector<char> file1, file2;
+
+    if (argc < 3)
+        usage(argv[0]);
+
+    readFile(argv[1], file1);
+    readFile(argv[2], file2);
+
+    similarityMatrix(file1, file2);
+}
+
+bool readFile(char * fileName, vector<char> & v)
+{
+    ifstream in(fileName);
+    if (!in.is_open())
+        return false;
+    while (!in.eof())
+    {
+        char chr;
+        in >> chr;
+        cout << "Read char 0x" << hex << (int) chr << ", '" << chr << "'" << endl;
+        v.push_back(chr);
+    }
+    return true;
+}
+
+void similarityMatrix(vector<char> & s, vector<char> & t)
+{
+}