#include int main() { char instr[9] = {0}; int n = 0; int pos = 0; int depth = 0; int aim = 0; while (scanf("%s %d\n", instr, &n) == 2) { switch (instr[0]) { case 'd': aim += n; break; case 'u': aim -= n; break; case 'f': pos += n; depth += aim * n; break; default: fprintf(stderr, "unknown instruction: %s", instr); break; } } printf("%d\n", pos * aim); printf("%d\n", pos * depth); return 0; }