题解

#include<cstdio>
using namespace std;int a[3];char s1,s2;int main(){while (scanf("%c:=%c;",&s1,&s2)==2){a[s1-'a']=s2>='0' && s2<='9' ? s2-'0' : a[s2-'a'];}printf("%d %d %d",a[0],a[1],a[2]);}