#!/usr/local/bin/python3
P=[(1,2),(1,3),(2,3),(2,4),(3,4),(4,5),(5,6),(6,7)]
M=99991
def md(a,b): return a-b*(a//b)
def bb(i,j):
 if (i,j)==(1,2): return 260
 if (i,j)==(1,3): return 170
 if (i,j)==(2,3): return 280
 if (i,j)==(2,4): return 388
 return 500+7*i+3*j