/*#include <stdio.h>
int main()
{
int sta[10002]={},i, top=0,x=0,y=0;
char a[10000] = {};
gets(a);
for(i=0; i<strlen(a); i++)
{
if(a[i]>='0' && a[i]<='9')
{
x=0;
while(a[i]>='0' && a[i]<='9')
{
x *= 10;
x += (a[i]-'0');
i++;
}
sta[top++] = x;
}
if(a[i]=='+')
{
x=sta[--top];
y=sta[--top];
sta[top++]=x+y;
}
if(a[i]=='-')
{
y=sta[--top];
x=sta[--top];
sta[top++]=x-y;
}
if(a[i]=='*')
{
x=sta[--top];
y=sta[--top];
sta[top++]=x*y;
}
}
printf("%d\n",sta[0]);
}*/
#include<stdio.h>
int main()
{
int
}