A.py

print(input()-input())

B.py

km = int(input())/1000
 
if km < 0.1:
    vv = 0
if 0.1 <= km <= 5:
    vv = km * 10
if 6 <= km <= 30:
    vv = km + 50
if 35 <= km <= 70:
    vv = (km - 30) / 5 + 80
if 70 < km:
    vv = 89
 
print('{:02.0f}'.format(vv))

C.py

deg, dis = map(int, input().split())
 
dirs = ["N", "NNE", "NE", "ENE", "E", "ESE", "SE", "SSE", "S", "SSW", "SW", "WSW", "W", "WNW", "NW", "NNW"]
wps = [2, 15, 33, 54, 79, 107, 138, 171, 207, 244, 284, 326]
 
w = 0
for n in wps:
    if int(dis/6 + 0.5) > n:
        w += 1
dir = dirs[(deg * 10 +1125) % 36000 // 2250] if w > 0 else "C"
    
print(dir, w)