Primary indices
Statement
Goal
The Copeland–Erdős constant is the concatenation of "0." with the base 10 representations of the prime numbers in order. Its value is approximately 0.235711131719232931374143....The goal is to output the digit (in the range of
Important note: In this exercice, the period representing the floating number is not omitted. Therefore, the first 2 is found at index
Input
Line 1: An integer N representing the desired index.
Output
You must output the N indice of the Copeland–Erdős constant. Be careful, do not forget the decimal point.
Line 1: The digit found at the position N of the Copeland–Erdős constant.
Line 1: The digit found at the position N of the Copeland–Erdős constant.
Constraints
0 ≤ N ≤ 4722
Example
Input
5
Output
7
Game modes
Fastest, Shortest
Test cases
Easy Test
Input
5
Output
7
Easy Validator
Input
7
Output
1
First 2-length number Test
Input
6
Output
1
First 2-length number Validator
Input
9
Output
3
Trying to trick Test
Input
0
Output
0
Trying to trick Validator
Input
1
Output
.
Big one Test
Input
100
Output
9
Big one Validator
Input
150
Output
2
Very big one Test
Input
2500
Output
3
Very big one Validator
Input
2000
Output
7
Hard one Test
Input
4721
Output
1
Hard one Validator
Input
4722
Output
0
Solution language
Solution
Stub generator input