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 (GCC 5.4.1) (judge verdict: Accepted)

#include<stdio.h>

int main(void)
{
  char S[3];
  
  scanf("%s", S);
  
  if(S[0] == 'a'){
    if(S[1] == 'b'){
      if(S[2] == 'c') printf("Yes\n");
      else printf("No\n");
    }
    else if(S[1] == 'c'){
      if(S[2] == 'b') printf("Yes\n");
      else printf("No\n");
    }
    else printf("No\n");
  }
    
  if(S[0] == 'b'){
    if(S[1] == 'a'){
      if(S[2] == 'c') printf("Yes\n");
      else printf("No\n");
    }
    else if(S[1] == 'c'){
      if(S[2] == 'a') printf("Yes\n");
      else printf("No\n");
    }
    else printf("No\n");
  }
  
  if(S[0] == 'c'){
    if(S[1] == 'a'){
      if(S[2] == 'b') printf("Yes\n");
      else printf("No\n");
    }
    else if(S[1] == 'b'){
      if(S[2] == 'a') printf("Yes\n");
      else printf("No\n");
    }
    else printf("No\n");
  }  
  
  return 0;
}