723 B | 723 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
sys.setrecursionlimit(10**7)
BLANK = " "
# inp = input
inp = lambda : sys.stdin.readline().rstrip()
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():
n, m = mii()
org = 0
mx = 0
for _ in range(m):
B, *l = mii()
s = sum(l)
if B >= s:
org += l[0]
crt = 0
for i in [1, 10, 100, 1000, 10000]:
if B >= s - l[0] + i:
crt = i
mx += crt
p(mx - org)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()