Submission #162549

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Source Code Expand

#include <iostream>
#include <string>

int main(){

		std::string  str1,str2;
		int n;
		
		std::cin >> str1;

		n = str1.length();
		
		if(n>1){
			for (int i = 1; i < n; i++){
				str2 += "a";
			}
			std::cout << str2 << std::endl;
		}else if(str1 != "a"){
			std::cout << "a" << std::endl;
		}else{
			std::cout << "-1" << std::endl;
		}

}

Submission Info

Judge Result