23. First Digit of a Number
Write a program that finds the first digit of a given number.
Input
On the first line, a natural number n(1≤n≤109).
Output
In a single line, the solution to the problem.
Sample input 1
1234
Sample output 1
1
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BeginnerSimpleStringsLoops
811 / 54
Solved / unsolved count
1.0 s / 512 MB
Limits