#include /// /// 入力された数字を返す /// /// int ReadNum() { int negate = 0; char c = getchar(); int num = 0; int numCnt = 0; while (c != '\n') { if (c == '-') { negate = 1; } else { num = num * 10 + c - '0'; } c = getchar(); } if (negate == 1) { num *= -1; } return num; } int main() { double k = 100 - ReadNum(); double s = ReadNum(); printf("%.0lf\n", s / k * 100); }