import sys for line in sys.stdin: line = int(line) if line <= 2: print(-1) continue n = line % 4 if n == 0: print(3) elif n == 2: print(4) else: print(2)
import sys for line in sys.stdin: line = int(line) if line <= 2: print(-1) continue n = line % 4 if n == 0: print(3) elif n == 2: print(4) else: print(2)