#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int P,G,S,B,a; cin>>B>>a; if(B==P){ cout<<a/10*7; } else if(B==G){ cout<<a/10*8; } else if(B==S){ cout<<a/10*9; } else{ cout<<a/100*95; } return 0; }