#!/usr/bin/env python

from __future__ import absolute_import, division, print_function


def pcall(f, N):
    if N == 0:
        print("    f(0)", file=f)
        return

    print("    f(", file=f)
    pcall(f, N - 1)
    print("     )", file=f)


def main():
    f = open("t.c", "w")
    print("int f(int n) { return n; }", file=f)
    print("int t() {", file=f)
    print("  return", file=f)
    pcall(f, 10000)
    print("  ;", file=f)
    print("}", file=f)


if __name__ == "__main__":
    import sys

    sys.setrecursionlimit(100000)
    main()