output_description: If the wolves will attack the sheep, print `unsafe`; otherwise, print `safe`.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      S W
attempt: {
      "kernelspecs": {
          "python3": {
              "resource_dir": "C:\\Users\\Xergalese\\anaconda3\\share\\jupyter\\kernels\\python3",
              "spec": {
                  "argv": [
                      "C:/Users/Xergalese/anaconda3\\python.exe",
                      "-m",
                      "ipykernel_launcher",
                      "-f",
                      "{connection_file}",
                  ],
                  "env": {},
                  "display_name": "Python 3",
                  "language": "python",
                  "interrupt_mode": "signal",
                  "metadata": {},
              },
          }
      }
  }
  
problem_description: Statement
  
  There are S sheep and W wolves.
  
  If the number of wolves is greater than or equal to that of sheep, the wolves
  will attack the sheep.
  
  If the wolves will attack the sheep, print `unsafe`; otherwise, print `safe`.
samples: [{"input": "4 5", "output": "unsafe\n    \n\nThere are four sheep and five wolves. The number of wolves is not less than\nthat of sheep, so they will attack them.\n\n* * *"}, {"input": "100 2", "output": "safe\n    \n\nMany a sheep drive away two wolves.\n\n* * *"}, {"input": "10 10", "output": "unsafe"}]