'commit'

TangDou/XiTi/1025.cpp

@@ -0,0 +1,12 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int x, y, z;
+    cin >> x >> y >> z;
+
+    if (x <= y && y <= z) cout << "yes" << endl;
+    else cout << "no" << endl;
+    return 0;
+}