564 B | 564 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():
n, m = mii()
l = [mii() for _ in range(n)]
l.sort(key=lambda t : (-t[0], -t[1]))
a = 0
b = 1111111111111
for i in range(min(n, m)):
a += l[i][0]
b = min(b, l[i][1])
p(a, b)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
solve()