80求助

#include <bits/stdc++.h>
using namespace std;

int main(){
    long long a;
    char x,y;
    cin >>a >>x >>y;
    long long ans;
    if((x=='B'&&y=='C') || (x=='C'&&y=='B'))ans=a*6/10;
    else if((x=='B'&&y=='A') ||(x=='A'&&y=='B'))ans=a*8/10;
    else if((x=='C'&&y=='A') ||(x=='A'&&y=='C'))ans=a*7/10;
    else ans=a;
    cout <<ans;
    return 0;
}