#include<stdio.h>
#include<stdlib.h>

int main(){
    int x,i=0;
    char s[100];
  
while(scanf("%s",s) != EOF )
      if ( s[i] == '+' ){
        s[0] = s[0] + s[1];
        

    } else if ( s[0] == '-' ){

    } else if ( s[0] == '*' ){
        
    } else {
      x[i] = atoi(s);
      s++;
      i++;
    }
  }

  return 0;
}
