function Main(input) {
  var A = parseInt(input.split(" ")[0]);
  var B = parseInt(input.split(" ")[1]);
  if(A % B == 0){
    console.log(A/B + ".00000000000000000000000000000000000000000000000000");
  }else{
      var output = "";
      for(var i = 0; i < 51; i++){
          output += Math.floor(A/B).toString();
          if(i == 0){
              output += ".";
          }
          A = (A % B) * 10;
      }
      console.log(output);
  }
}

Main(require("fs").readFileSync("/dev/stdin", "utf8"));