diff --git a/C++/Misc/Power_of_78.cpp b/C++/Misc/Power_of_78.cpp
new file mode 100644
index 0000000..30528b3
--- /dev/null
+++ b/C++/Misc/Power_of_78.cpp
@@ -0,0 +1,17 @@
+/* Check whether a number is power of 78 or not. */
+#include<iostream>
+using namespace std;
+int main() {
+	int n,a;
+	cin>>n;
+	while(n--){
+		cin>>a;
+		if(ceil(log(a)/log(78)) == floor(log(a)/log(78))){
+			cout<<1<<endl;
+		}
+		else {
+			cout<<0<endl;
+		}
+	}
+	return 0;
+}