import sys
def f():
 w=m=0;n,q=map(int,input().split());s=[0]*-~n
 for e in sys.stdin:
  a,v=map(int,e.split());s[a]+=v
  if v<0 and a==w:m=max(s);w=s.index(m)
  elif s[a]>m:w,m=a,s[a]
  elif s[a]==m:w=min(w,a)
  print(w,m)
f()
