#include typedef long long ll; #define INF 1000000000 using namespace std; #define MOD 1000000007 int main(void){ string s; cin>>s; int ans_left=0,ans_right=0; for(int i=0;i=3 and s[j]==')')ans_left++; if(index_right>=3 and s[j]==')')ans_right++; /* if(s[j]=='*' and check_left==0){ check_left=1; } if(s[j]=='^' and check_left==1){ check_left=2; }if(s[j]=='^' and check_left==2){ check_left=INF; }if(s[j]==')' and check_left==INF){ ans_left++; } if(s[j]=='^' and check_right==0){ check_right=1; }if(s[j]=='^' and check_right==1){ check_right=2; }if(s[j]=='*' and check_right==2){ check_right=INF; }if(s[j]==')' and check_right==INF){ ans_right++; } */ } } cout<