/* -*- coding: utf-8 -*- * * 887.cc: No.887 Collatz - yukicoder */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; /* constant */ /* typedef */ /* global variables */ /* subroutines */ /* main */ int main() { int n; scanf("%d", &n); int i = 0, nmax = n; while (n != 1) { if (! (n & 1)) n = n / 2; else n = 3 * n + 1; i++; if (nmax < n) nmax = n; } printf("%d\n%d\n", i, nmax); return 0; }