7582번: On the Bus ↗

import sys
from math import sqrt, pi, sin, factorial

BLANK = " "

inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print


def solve():
  while 1:
    s = input()
    
    if s == "# 0":
      break
    name, mx = s.split()
    mx = int(mx)

    P = ii()

    for _ in range(ii()):
      o, i = mii()

      P -= o

      P += i
      P = min(mx, P)

    p(name, P)

  
if __name__ == "__main__":
  tc = 1

  for t in range(1, tc+1):
    ret = solve()