diff --git a/QUSTOJ/1874.cpp b/QUSTOJ/1874.cpp
new file mode 100644
index 0000000..84fae6f
--- /dev/null
+++ b/QUSTOJ/1874.cpp
@@ -0,0 +1,46 @@
+#include <iostream>
+#include <string>
+using namespace std;
+
+int main()
+{
+    int x;
+    cin>>x;
+    while(x>=1000)
+    {
+        cout<<"M";
+        x-=1000;
+    }
+    while(x>=500)
+    {
+        cout<<"D";
+        x-=500;
+    }
+    while(x>=100)
+    {
+        cout<<"C";
+        x-=100;
+    }
+    while(x>=50)
+    {
+        cout<<"L";
+        x-=50;
+    }
+    while(x>=10)
+    {
+        cout<<"X";
+        x-=10;
+    }
+    while(x>=5)
+    {
+        cout<<"V";
+        x-=5;
+    }
+    while(x>=1)
+    {
+        cout<<"I";
+        x-=1;
+    }
+    cout<<endl;
+    return 0;
+}