Submission #162536

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Source Code Expand

import java.io.PrintWriter;
import java.util.Scanner;

public class Main{
	static PrintWriter out;

	static void solve(){
		Scanner cin = new Scanner(System.in);

		String A = cin.next();
		char[] c = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};

		if(A.length() == 1){
			if(A.equals("a")){
				out.println(-1);
			}
			else{
				for(int i = 0; i < 26; i++){
					if(A.equals(String.valueOf(c[i])))
						out.println(c[i - 1]);
				}
			}
		}else{
			A = A.substring(0, A.length() - 1);
			out.println(A);
		}
	}

	public static void main(String[] args){
		out = new PrintWriter(System.out);

		solve();
		out.flush();
	}
}

Submission Info

Judge Result