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: Time Limit Exceeded)

#include<stdio.h>
#include<string.h>
int main(){
    char s[300];
    int a,b,c,len;
    while(scanf("%s",&s)){
        a=b=c=0;
        len=strlen(s);
        for(int i=0; i<len; i++){
            switch(s[i]){
                case 'a':a++;break;
                case 'b':b++;break;
                case 'c':c++;break;
            }
        }
        if(a&&b&&c)
            printf("yes\n");
        else
            printf("no\n");
    }
    return 0;
}