diff --git a/918.cpp b/918.cpp
new file mode 100644
index 0000000..bd846fe
--- /dev/null
+++ b/918.cpp
@@ -0,0 +1,16 @@
+#include<iostream>
+using namespace std;
+int main(){
+
+     int i=15,p=1,sum=i;
+    while(sum<312){
+         p++;
+         sum=sum+i;
+         i=i+2;
+          }
+    cout<<p<<"     "<<i<<endl;
+
+
+
+    return 0;
+}