Question

Form a number system with only 3 and 4. Find
the nth number of the number system. Eg. The
numbers are: 3, 4, 33, 34, 43, 44, 333, 334, 343,
344, 433, 434, 443, 444, 3333, 3334, 3343, 3344,
3433, 3434, 3443, 3444,...
Constraints
1<=N<=10000000

program​

Answer 1

Answer:

PATA NAHI

Explanation: