# 1 -> 1 # 3 -> 5 # 7 -> 1 # 11 -> 11 # 12 -> 2 # 13 -> 11 # 14 -> 11 # 17 -> 3 n = int(input()) if n == 1 or n == 7: print(1) elif n == 3: print(5) elif n == 12: print(2) elif n == 17: print(3) else: print(11)