'commit'

TangDou/AoSaiYiBenTong/YBT1056.cpp

@@ -0,0 +1,16 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    //cin读入优化
+    std::ios::sync_with_stdio(false);
+    int x, y;
+    cin >> x >> y;
+    if (x >= -1 && x <= 1 && y >= -1 && y <= 1) {
+        cout << "yes";
+    } else {
+        cout << "no";
+    }
+    return 0;
+}