h = Val(InputBox("輸入有多少只頭", "雞兔同蘢問題"))
f = Val(InputBox("輸入第多少只腳", "雞兔同蘢問題"))
y = (f - 2 * h) / 2
x = (4 * h - f) / 2
Print "雞=" & x & " 兔=" & y
End Sub