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>
int main() {
    char s[4];
    for (;;)
    {
        scanf("%s", &s);
        int i, a, b, c;
        a = b = c = 0;
        for (i = 0; i < 3; i++) {
            if (s[i] == 'a')
                a = 3;
            if (s[i] == 'b')
                b = 3;
            if (s[i] == 'c')
                c = 3;
        }
        if (a == 3 && b == 3 && c == 3)
            printf("Yes\n");
        else
            printf("No\n");
    }
    return 0;
}