Submission #1676795

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Source Code Expand

#include <iostream>
#include <string>

using namespace std;

int main()
{
	string s;
	
	cin >> s;
	
	if (s.length() == 1)
	{
		if (s[0] == 'a')
		{
			cout << "-1" << endl;
			return 0;
		}
		else
		{ 
			int x = s[0] - 1;
			cout << char(x) << endl;
		}
	}
	else
	{
		cout << s.substr(0, s.length() - 1) << endl;
	}
	return 0;
}

Submission Info

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