diff --git a/C++/Program-6/Readme.md b/C++/Program-6/Readme.md
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+Program 6
+
+Write a program to find the greatest common divisor of two number.
+
+Variable description-- 
+
+x=Holds the first number 
+
+y=Holds the second number 
+
diff --git a/C++/Program-6/program.cpp b/C++/Program-6/program.cpp
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+++ b/C++/Program-6/program.cpp
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+#include <iostream>
+using namespace std;
+int gcd(int x,int y)
+{
+    if(y==0)
+        return x;
+    return gcd(y,x%y);
+}
+
+int main() {
+	cout<<"enter the numbers\n";
+	int x,y;
+	cin>>x>>y;
+	cout<<"The GCD is "<<gcd(x,y);
+	return 0;
+}
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