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

int main(void){
  int x;
  char s[100];

  while(scanf("%s",s) != EOF){
    if(s[0] == '+'){

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

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

    }else{
      x = atoi(s);

    }
  }
  printf("\n");
}