import std.conv, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.container, std.math, std.range, std.regex, std.typecons; import core.bitop; class EOFException : Throwable { this() { super("EOF"); } } string[] tokens; string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; } int readInt() { return readToken().to!int; } long readLong() { return readToken().to!long; } real readReal() { return readToken().to!real; } void chmin(T)(ref T t, in T f) { if (t > f) t = f; } void chmax(T)(ref T t, in T f) { if (t < f) t = f; } int binarySearch(T)(in T[] as, in bool delegate(T) test) { int low = -1, upp = cast(int)(as.length); for (; low + 1 < upp; ) { int mid = (low + upp) >> 1; (test(as[mid]) ? low : upp) = mid; } return upp; } int lowerBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a < val)); } int upperBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a <= val)); } BigInt fib(long n) { auto a = [BigInt(1), BigInt(0)]; foreach_reverse (h; 0 .. bsr(n) + 1) { a = [a[0]^^2 + a[1]^^2, 2 * a[0] * a[1] + a[1]^^2]; if ((n >> h) & 1) { a = [a[1], a[0] + a[1]]; } } return a[1]; } void main() { try { for (; ; ) { const L = readLong(); if (L == 2) { writeln("INF 0"); } else { BigInt ans = fib(L); if (L % 2 == 0) { ans -= fib(L / 2)^^2; } writeln(L, " ", ans); } } } catch (EOFException e) { } }