Double Trouble

Problem Number: 
268
Type of Problem: 
Problem Category: 
Input: 
Random Input
0
0
Critical Input: 
Random Input: 
7 14 21 28 35 42 49 56 63 70 77 84 91 98 105 112 119 126 133 140 147 154 161 168 175 182 189 196
Problem Id: 
268