import sys
#sys.setrecursionlimit((1<<19)-1)
#import pypyjit
#pypyjit.set_param('max_unroll_recursion=-1')
input=sys.stdin.buffer.readline

N,M=map(int,input().split())
can=[tuple(map(int,input().split())) for i in range(N)]
ans=0
for a,b,c in can:
    ans=max(ans,((M-a)//(a-b)+1)*c*b)
print(ans)