#include<cstdio>#include<cstring>using namespace std;char s[1001];int l,ans,sum,t=1;int main(){    int i,j;    scanf("%s",&s);    l=strlen(s);    i=0;    L:while(s[i]==‘+‘||s[i]==‘-‘)    {        if(s[i]==‘-‘)          t*=-1;        i++;    }    sum=0;    while(s[i]<=‘9‘&&s[i]>=‘0‘)      sum=sum*10+s[i]-‘0‘,i++;    ans=ans+t*sum;    t=1;    if(i<l)      goto L;    printf("%s=%d",s,ans);    return 0;}