Problem:
Score : 100 points

Problem Statement

You are given a string S of length 3 consisting of a, b and c. Determine if S can be obtained by permuting abc.

Constraints

|S|=3

S consists of a, b and c.

Input

Input is given from Standard Input in the following format:

S

Output

If S can be obtained by permuting abc, print Yes; otherwise, print No.

Sample Input 1

bac

Sample Output 1

Yes

Swapping the first and second characters in bac results in abc.

Sample Input 2

bab

Sample Output 2

No

Sample Input 3

abc

Sample Output 3

Yes

Sample Input 4

aaa

Sample Output 4

No

Solution in C++14 (GCC 5.4.1) (judge verdict: Accepted)

#include <bits/stdc++.h>
using namespace std;
int main() {
	string s;
	cin>>s;
	int sum=0;
	vector<char> vec(3);
	for(int i=0; i<3; i++){
		vec[i]=s[i];
	}
	sort(vec.begin(),vec.end());
	if(vec[0]=='a'){
		sum++;
	}
	if(vec[1]=='b'){
		sum++;
	}
	if(vec[2]=='c'){
		sum++;
	}
	
	if(sum==3){
		cout<<"Yes"<<endl;
	}
	else{
		cout<<"No"<<endl;
	}
}