#include <bits/stdc++.h> using namespace std; void hanoi(int k, char x, char y, char z) { if(k == 0) return; hanoi(k-1, x, z, y); printf("%c->%d->%c\n", x, k, y); hanoi(k-1, z, y, x); } int main() { int n; char a, b, c; scanf("%d %c %c %c", &n, &a, &b, &c); hanoi(n, a, b, c); return 0; }