#include<stdio.h>
#include<math.h>
int adad(char c){
return (48 <= (int)c && (int)c <= 57);
}
int characterBeAdad(char c){
return (int)c - 48;
}
int main(){
int x;
long long jam = 0;
int zarib = 1;
while(1){
char c;
int tavan;
if(c == '\n'){
jam
+= zarib
* pow(x
,tavan
);
break;
}
if(adad(c)){
zarib *= characterBeAdad(c);
while(1){
if(c == ' '){
break;
}
zarib *= 10;
zarib += characterBeAdad(c);
}
}
if(c == 'X'){
}
if(x=='+'){
jam
+= zarib
* pow(x
,tavan
);
zarib = 1;
}
if(x=='-'){
jam
+= zarib
* pow(x
,tavan
);
zarib = -1;
}
}
}
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}