int a[3]; for (int i = 0; i < 3; i++) cin >> a[i]; sort(a, a + 3); char s[3]; char useless; scanf("%c", &useless); for (int i = 0; i < 3; i++) scanf("%c", &s[i]); for (int i = 0; i < 3; i++) { cout << a[s[i] - 'A'] << " "; }