diff --git a/HDOJ/5874_qq_33184171.cpp b/HDOJ/5874_qq_33184171.cpp
new file mode 100644
index 0000000..b5e2f0f
--- /dev/null
+++ b/HDOJ/5874_qq_33184171.cpp
@@ -0,0 +1,15 @@
+#include <bits/stdc++.h>
+using namespace std;
+using LL = long long;
+int main()
+{
+    LL m,n;
+    while(~scanf("%I64d %I64d",&m,&n))
+    {
+        LL ans = m/2*(m-m/2);
+
+        if( ans <=  n)  puts("T");
+        else           puts("F");
+    }
+    return 0;
+}