591 B | 591 chars
import sys
from math import sqrt, pi, sin, factorial
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = " " : [*map(int,inp().split(x))]
mfi = lambda x = " " : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
w, h = mii()
x = y = 0
while 1:
a, b = mii()
if a == b == 0:
break
x += a
y += b
x = max(x, 0)
y = max(y, 0)
x = min(x, w)
y = min(y, h)
print(x, y)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()