First Occurrence of CharacterEasy

First Occurrence of Character

EasyPractice library · +10 XPstringsstring scanningloops

Given a string $S$ and a character $C$, find the 0-based index of the first occurrence of character $C$ in string $S$. If character $C$ does not appear in string $S$, output -1.

Input

The first line contains the string $S$. The second line contains the character $C$.

Output

Print a single integer: the 0-based index of the first occurrence of $C$ in $S$, or -1 if $C$ is not found.

Constraints

1 <= |S| <= 1000, where |S| is the length of the string $S$. $C$ is a single ASCII character.

Time limit 1 s (native code; slower languages get more)Memory 256 MB14 hidden tests

Example 1

Input
hello world
o
Output
4

The character 'o' first appears at index 4.

Example 2

Input
programming
z
Output
-1

The character 'z' does not appear in the string, so -1 is printed.

Hints