Misha and Vasya participated in a Codeforces contest. Unfortunately, each of them solved only one problem, though successfully submitted it at the first attempt. Misha solved the problem that costs *a* points and Vasya solved the problem that costs *b* points. Besides, Misha submitted the problem *c* minutes after the contest started and Vasya submitted the problem *d* minutes after the contest started. As you know, on Codeforces the cost of a problem reduces as a round continues. That is, if you submit a problem that costs *p* points *t* minutes after the contest started, you get <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/e7bb7983e9c15baf66651c7643406c249354c8c1.png" style="max-width: 100.0%;max-height: 100.0%;"/> points. 

Misha and Vasya are having an argument trying to find out who got more points. Help them to find out the truth.
The first line contains four integers *a*, *b*, *c*, *d* (250 ≤ *a*, *b* ≤ 3500, 0 ≤ *c*, *d* ≤ 180). 

It is guaranteed that numbers *a* and *b* are divisible by 250 (just like on any real Codeforces round).
n = input().split()
num = [ int(i) for i in n ] 
misha_points = num[0]
vasya_points = num[1]
misha_time = num[2]
vasya_time = num[3]
if
misha_score = max( (0.3*misha_points) , (misha_points - (misha_points/250) * misha_time) )
vasya_score = max( (0.3*vasya_points) , (vasya_points - (vasya_points/250) * vasya_time) )
  
if misha_score > vasya_score :
    print("Misha")
elif vasya_score > misha_score :
    print("Vasya")
else :
    print("Tie")
    
