The input functions from https://github.com/rsp/ifm-lw-r1-ojs

ifm-lw-r1-ojs-input.js

// Applies x() 1 time:
function input1(x) {
  return function (y) {
    return x(y);
  };
}

// Applies x() 2 times:
function input2(x) {
  return function (y) {
    return x(x(y));
  };
}

// Applies x() 10 times:
function input3(x) {
  return function (y) {
    return x(x(x(x(x(x(x(x(x(x(y))))))))));
  };
}

// Applies x() 100 times:
function input4(x) {
  return input3(input3(x));
}

// Applies x() 1000 times:
function input5(x) {
  return input3(input4(x));
}