import sys
from math import sqrt, pi, sin, factorial
inp = lambda : sys.stdin.readline()[:-1]
mii = lambda x = " " : [*map(int,inp().split(x))]
mfi = lambda x = " " : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
def solve():
s = [input().split() for _ in range(51)]
d = {}
for k, v in s:
v = int(v)
d[k] = d.get(k, 0) + v
for k, v in d.items():
if v != 91:
print(k, 91 - v)
if __name__ == "__main__":
tc = 1
for t in range(tc):
solve()