three men discussing to cross the river by boat. that Area just has one boat for left and right side river crossing movement with capacity of 120LB,
1. my weight is 120 LB
what yours ?
2. 60 LB what about you ?
3. 60LB too
1. well the Boat just carries 120 LB more than this weight we sink , you stay and I Go
2. you think so ?. you stay, 3 and I Go
three days discussing no solution. Now you guys need to help them and Give them a solution