#include <iostream>
using namespace std;
int main() {
int n,k, cnt=0, cur=0;
string str;
cin>>n>>k;
for(int i=0;i<n;i++){
cin>>str;
if(str=="save"){
cnt=cur;
cout<<cnt<<'\n';
}
else if(str=="load"){
cur=cnt;
cout<<cur<<'\n';
}
else if(str=="shoot"){
cur-=1;
cout<<cur<<'\n';
}
else{
cur+=k;
cout<<cur<<'\n';
}
}
return 0;
}
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